Correcting and combining all-in-one machine

Abstract

The utility model relates to a correction composite all-in-one machine which comprises a machine frame, a working table is arranged above the machine frame, a pre-pressing unit and a correction pressing unit are transversely arranged on the working table in a spaced mode, and the pre-pressing unit comprises a front pre-pressing cutter set and a rear pre-pressing cutter set which are longitudinally arranged in a spaced mode. The front pre-pressing cutter set and the rear pre-pressing cutter set are matched to conduct pre-pressing compounding on the broken bridge aluminum profile, and the correcting and pressing unit comprises a front correcting and pressing cutter set and a rear correcting and pressing cutter set which are longitudinally arranged in a spaced mode. The front correcting and pressing cutter set comprises a front lower cutter head assembly and a front upper cutter head assembly, the front upper cutter head assembly can be independently and longitudinally adjusted, the rear correcting and pressing cutter set comprises a rear lower cutter head assembly and a rear upper cutter head assembly, and the rear upper cutter head assembly can be independently and longitudinally adjusted. The front upper cutter head assembly and the rear upper cutter head assembly are matched to conduct dislocation correction on the broken bridge aluminum profile. The device has the advantages of reasonable structural design, dislocation correction, straightening, multidirectional adjustability, good compounding quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to broken bridge aluminum processing equipment technical field, specifically related to the correction composite integrated machine. BACKGROUND

[0002] At present, the heat insulation broken bridge aluminum profile (broken bridge aluminum for short) mainly adopts "three-step method" production procedure, that is, three processes of tooth opening, strip threading and roll pressing are completed. Broken bridge aluminum roll pressing (roll pressing) composite machine is a device specially used for completing "roll pressing" process. The existing broken bridge aluminum roll pressing composite machine usually has three groups of roll pressing knives (that is, knife disc), as shown in Figure 5 The first group of roll pressing knives mainly plays a pre-pressing role, the second group of roll pressing knives mainly plays a pressing role, and the third group of roll pressing knives mainly plays a straightening role. Although the existing broken bridge aluminum roll pressing composite machine has the function of straightening, it is difficult to correct when the aluminum profile A and the aluminum profile B in the broken bridge aluminum appear misalignment (such as Figure 6 The utility model relates to a correction composite integrated machine, which has the advantages of reasonable structure design, broken bridge aluminum straightening, misalignment correction, multidirectional adjustment and good composite quality.

[0003] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a correction composite integrated machine, which has the advantages of reasonable structure design, broken bridge aluminum straightening, misalignment correction, multidirectional adjustment and good composite quality.

[0005] The utility model discloses a correction composite integrated machine, which has the advantages of reasonable structure design, broken bridge aluminum straightening, misalignment correction, multidirectional adjustment and good composite quality.

[0006] The utility model discloses a correction composite integrated machine, which has the advantages of reasonable structure design, broken bridge aluminum straightening, misalignment correction, multidirectional adjustment and good composite quality.

[0007] The front pre-pressing knife set and the front correcting and pressing knife set are the same in structure, comprising a front longitudinal guide rail A longitudinally arranged on a workbench, a front sliding seat A arranged on the front longitudinal guide rail A, a front longitudinal guide rail B longitudinally arranged on an upper end of the front sliding seat A, a front sliding seat B arranged on the front longitudinal guide rail B, a front longitudinal driving mechanism A arranged between the workbench and the front sliding seat A, a front longitudinal driving mechanism B arranged between the front sliding seat A and the front sliding seat B, a front lifting guide rail A vertically arranged on a front end of the front sliding seat A, a front lower knife disc assembly slidingly arranged on the front lifting guide rail A, a front lifting driving mechanism A arranged on a lower end of the front sliding seat A and used for driving the front lower knife disc assembly to lift, a front lifting guide rail B vertically arranged on a front end of the front sliding seat B, a front upper knife disc assembly slidingly arranged on the front lifting guide rail B, and a front lifting driving mechanism B arranged on an upper end of the front sliding seat B and used for driving the front upper knife disc assembly to lift.

[0008] The front longitudinal driving mechanism A comprises a mounting seat A arranged on the workbench, a speed reducer A arranged on an outer end of the mounting seat A, a motor A arranged on an input end of the speed reducer A, a lead screw A connected with the speed reducer A through a shaft coupling, the lead screw A being rotatably arranged on the mounting seat A through a bearing, a screw cylinder arranged on the front sliding seat A, a screw nut A arranged on an end of the screw cylinder, and the lead screw A being arranged on the screw nut A.

[0009] The front longitudinal driving mechanism B comprises a mounting seat B arranged on the front sliding seat B, a speed reducer B arranged on an outer end of the mounting seat B, a motor B arranged on an input end of the speed reducer B, a lead screw B connected with the speed reducer B through a shaft coupling, the lead screw B being rotatably arranged on the mounting seat B through a bearing, a screw nut seat B and a screw nut B arranged on an upper end of the front sliding seat A, a front avoiding opening A arranged on the front sliding seat B in correspondence, and the lead screw B being arranged on the screw nut B.

[0010] The front lifting driving mechanism A comprises a front motor seat A arranged on a lower end of the front sliding seat A, a front servo motor A arranged on a lower end of the front motor seat A, the front servo motor A being connected with a front lifting lead screw A through a shaft coupling, the front lifting lead screw A being rotatably arranged on the front motor seat A through a bearing, a front lifting screw nut seat A and a front lifting screw nut A arranged on the front lower knife disc assembly, and the front lifting lead screw A being arranged on the front lifting screw nut A.

[0011] The front lifting driving mechanism B comprises a front motor seat B arranged on an upper end of the front sliding seat B, a front servo motor B arranged on the front motor seat B, the front servo motor B being connected with a front lifting lead screw B through a shaft coupling, the front lifting lead screw B being rotatably arranged on the front sliding seat B through a bearing, a front lifting screw nut seat B and a front lifting screw nut B arranged on the front upper knife disc assembly, a front avoiding opening B arranged on the front sliding seat B in correspondence, and the front lifting lead screw B being arranged on the front lifting screw nut B.

[0012] The rear pre-pressing cutter group comprises a rear vertical seat A arranged on the workbench, a rear lifting guide rail A vertically arranged on the inner end surface of the rear vertical seat A, a rear lower pressing disc assembly and a rear upper pressing disc assembly respectively arranged on the rear lifting guide rail A, a rear lifting driving mechanism A arranged on the rear vertical seat A and driving the rear lower pressing disc assembly to lift, and a rear lifting driving mechanism B also arranged on the rear vertical seat A and driving the rear upper pressing disc assembly to lift.

[0013] The rear lifting driving mechanism A comprises a rear motor seat A arranged on the upper end of the rear vertical seat A, a rear servo motor A arranged on the rear motor seat A, a rear lifting lead screw A connected to the rear servo motor A through a shaft coupling, both ends of the rear lifting lead screw A being rotatably arranged on the rear vertical seat A through a bearing with a seat, a rear lifting nut seat A and a rear lifting nut A arranged on the rear lower pressing disc assembly, a corresponding rear avoiding opening A arranged on the rear vertical seat A, and the rear lifting lead screw A being arranged on the rear lifting nut A.

[0014] The rear lifting driving mechanism B comprises a rear motor seat B arranged on the upper end of the rear vertical seat A, a rear servo motor B arranged on the rear motor seat B, a rear lifting lead screw B connected to the rear servo motor B through a shaft coupling, both ends of the rear lifting lead screw B being rotatably arranged on the rear vertical seat A through a bearing with a seat, a rear lifting nut seat B and a rear lifting nut B arranged on the rear upper pressing disc assembly A, a corresponding rear avoiding opening B arranged on the rear vertical seat A, and the rear lifting lead screw B being arranged on the rear lifting nut B.

[0015] The rear correction pressing cutter group comprises a rear vertical seat B arranged on the workbench, a rear longitudinal guide rail B longitudinally arranged on the upper end of the rear vertical seat B, a rear sliding seat B slidably arranged on the rear longitudinal guide rail B, a rear longitudinal driving mechanism B arranged between the rear vertical seat B and the rear sliding seat B, a rear lifting guide rail C vertically arranged on the inner end surface of the rear vertical seat B, a rear lower cutter disc assembly arranged on the rear lifting guide rail C, a rear lifting driving mechanism C arranged on the lower end of the rear vertical seat B and driving the rear lower cutter disc assembly to lift, a rear lifting guide rail D vertically arranged on the inner end surface of the rear sliding seat B, a rear upper cutter disc assembly slidably arranged on the rear lifting guide rail D, and a rear lifting driving mechanism D arranged on the upper end of the rear sliding seat B and driving the rear upper cutter disc assembly to lift.

[0016] The rear longitudinal driving mechanism B comprises a rear motor seat B arranged on the rear sliding seat B, a rear speed reducer B arranged on the rear motor seat B, a rear motor B arranged on the input end of the rear speed reducer B and connected to the rear lead screw B on the output end, the rear lead screw B being rotatably arranged on the rear sliding seat B through a bearing with a seat, a rear nut seat B and a rear nut B arranged on the upper end of the rear vertical seat B, a corresponding rear avoiding opening C arranged on the rear sliding seat B, and the rear lead screw B being arranged on the rear nut B.

[0017] The rear lifting driving mechanism C comprises a rear motor seat C arranged at the lower end of the rear vertical seat B, a rear servo motor C arranged at the lower end of the rear motor seat C, the rear servo motor C connected with the rear lifting screw C through a shaft coupling, the rear lifting screw C rotatably arranged on the rear motor seat C through a bearing, a rear lifting screw nut seat C and a rear lifting screw nut C arranged on the rear lower cutter disc assembly, and the rear lifting screw C installed on the rear lifting screw nut C.

[0018] The rear lifting driving mechanism D comprises a rear motor seat D arranged at the upper end of the rear sliding seat B, a rear servo motor D arranged on the rear motor seat D, the rear servo motor D connected with the rear lifting screw D through a shaft coupling, the rear lifting screw D rotatably arranged on the rear sliding seat B through a bearing at both ends, a rear lifting screw nut seat D and a rear lifting screw nut D arranged on the rear upper pressure disc assembly, and a rear avoiding opening D arranged on the rear sliding seat B correspondingly, the rear lifting screw D installed on the rear lifting screw nut D.

[0019] The front lower cutter disc assembly and the rear lower cutter disc assembly are the same in structure, comprising a lower sliding plate, at least one lower cutter disc mounting seat arranged on the lower sliding plate, a plurality of lower cutter disc mounting seats arranged transversely and spaced apart, a lower cutter disc shaft rotatably arranged on the lower cutter disc mounting seat through a bearing, a lower cutter disc arranged on the upper end of the lower cutter disc shaft, and the lower end connected with a driving unit.

[0020] The front upper cutter disc assembly and the rear upper cutter disc assembly are the same in structure, comprising an upper sliding plate, at least one upper cutter disc mounting seat arranged on the upper sliding plate, a plurality of upper cutter disc mounting seats arranged transversely and spaced apart, an upper cutter disc shaft rotatably arranged on the upper cutter disc mounting seat through a bearing, and an upper cutter disc arranged on the lower end of the upper cutter disc shaft.

[0021] The rear lower cutter disc assembly A comprises a lower sliding plate A, at least one lower cutter disc mounting seat A arranged on the lower sliding plate A, a plurality of lower cutter disc mounting seats A arranged transversely and spaced apart, a lower cutter disc shaft A rotatably arranged on the lower cutter disc mounting seat A through a bearing, a lower cutter disc A arranged on the lower cutter disc shaft A, a key arranged on the upper part of the side wall of the lower cutter disc shaft A, and the lower end of the lower cutter disc shaft A connected with a driving unit; the rear upper cutter disc assembly A comprises an upper sliding plate A, at least one upper cutter disc mounting seat A arranged on the upper sliding plate A, a plurality of upper cutter disc mounting seats A arranged transversely and spaced apart, an upper cutter disc shaft A rotatably arranged on the upper cutter disc mounting seat A through a bearing, an upper cutter disc A arranged on the lower end of the upper cutter disc shaft A, an installation hole arranged in the center of the upper cutter disc shaft A, a long key groove vertically arranged on the inner wall of the installation hole, the lower cutter disc shaft A inserted into the installation hole and vertically movable, and the key arranged in the long key groove for power transmission.

[0022] The upper end of the workbench is provided with a pressing unit, the pressing unit comprises a plurality of pressing mechanisms arranged transversely and spaced apart, each of the pressing mechanisms comprises two vertical columns arranged longitudinally and spaced apart, a lower light shaft is arranged between the two vertical columns, an upper pressing plate is arranged to slide on the upper light shaft, a material supporting roller is arranged on the lower light shaft, an upper light shaft is arranged on the upper pressing plate, a pressing roller is arranged on the upper light shaft, a top plate is arranged on the upper end of the two vertical columns, a pressing motor base is arranged on the top plate, a pressing speed reducer is arranged on the pressing motor base, a pressing motor is arranged on the input end of the pressing speed reducer, the pressing motor is connected with the plurality of pressing speed reducers in series through a shaft coupling and a transmission shaft, the output end of the pressing speed reducer is connected with a pressing lead screw through a shaft coupling, the pressing lead screw is arranged to rotate on the top plate, a pressing nut is arranged on the upper pressing plate, the pressing lead screw is connected with the pressing nut, and the plurality of upper pressing plates are connected through a connecting beam.

[0023] The driving unit comprises four driving speed reducers connected in series, the driving speed reducers are provided with two output shafts, one of the output shafts is connected with a lower cutter disc shaft in the front lower cutter disc assembly through a telescopic cross universal shaft coupling, the other output shaft is connected with a lower cutter disc shaft in the rear lower cutter disc assembly through a telescopic cross universal shaft coupling, and one of the driving speed reducers is connected with the driving motor.

[0024] The above technical scheme can bring the following beneficial effects:

[0025] By designing the front upper cutter disc assembly in the front correction and pressing cutter group and the rear upper cutter disc assembly in the rear correction and pressing cutter group into the longitudinally adjustable structure, the broken bridge aluminum is first pre-pressed and formed through the front pre-pressing cutter group and the rear pre-pressing cutter group, then the dislocation correction of the broken bridge aluminum profile can be realized through the longitudinal adjustment of the front upper cutter disc assembly and the rear upper cutter disc assembly, and the correction and pressing of the broken bridge aluminum are realized. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the correction and pressing integrated machine;

[0027] Figure 2 It is a top view of the correction and pressing integrated machine;

[0028] Figure 3 It is a side view of the correction and pressing integrated machine;

[0029] Figure 4 It is a structural schematic view of the front correction and pressing cutter group;

[0030] Figure 5 It is a partial structural schematic view of the front correction and pressing cutter group;

[0031] Figure 6It is the structure schematic diagram of another perspective of the front correction compression cutter group of the utility model;

[0032] Figure 7 It is the structure schematic diagram of the rear pre-compression cutter group of the utility model;

[0033] Figure 8 It is the connection structure schematic diagram of the lower cutter disc shaft A and the rear upper cutter disc shaft A of the utility model;

[0034] Figure 9 It is another perspective structure schematic diagram of the rear pre-compression cutter group of the utility model;

[0035] Figure 10 It is the structure schematic diagram of the rear correction compression cutter group of the utility model;

[0036] Figure 11 It is another perspective structure schematic diagram of the rear correction compression cutter group of the utility model;

[0037] Figure 12 It is the structure schematic diagram of the material compression unit of the utility model;

[0038] Figure 13 It is the structure schematic diagram of the driving unit of the utility model;

[0039] Figure 14 It is the structure schematic diagram of the prior rolling compound machine;

[0040] Figure 15 It is the structure schematic diagram of the broken bridge aluminum profile;

[0041] In the figure, 1, rack, 2, workbench, 3, pre-pressing unit, 4, correction pressing unit, 5, front pre-pressing knife group, 6, rear pre-pressing knife group, 601, rear vertical seat A, 602, rear lifting guide rail A, 603, rear lifting driving mechanism A, 6031, rear motor seat A, 6032, rear servo motor A, 6033, rear lifting screw A, 6034, rear lifting nut seat A, 6035, rear lifting nut A, 6036, rear avoiding opening A, 604, rear lifting driving mechanism B, 6041, rear motor seat B, 6042, rear servo motor B, 6043, rear lifting screw B, 6044, rear lifting nut seat B, 6045, rear lifting nut B, 6046, rear avoiding opening B, 7, front correction pressing knife group, 701, front longitudinal guide rail A, 702, front sliding seat A, 703, front longitudinal guide rail B, 704, front sliding seat B, 705, front longitudinal driving mechanism A, 7051, mounting seat A, 7052, speed reducer A, 7053, motor A, 7054, screw A, 7055, silk tube, 7056, nut A, 706, front longitudinal driving mechanism B, 7061, mounting seat B, 7062, speed reducer B, 7063, motor B, 7064, screw B, 7065, nut seat B, 7066, nut B, 7067, front avoiding opening A, 707, front lifting guide rail A, 708, front lifting driving mechanism A, 7081, front motor seat A, 7082, front servo motor A, 7083, front lifting screw A, 7084, front lifting nut seat A, 7085, front lifting nut A, 709, front lifting guide rail B, 710, front lifting driving mechanism B, 7101, front motor seat B, 7102, front servo motor B, 7103, front lifting screw B, 7104, front lifting nut seat B, 7105, front lifting nut B, 7106, front avoiding opening B, 8, rear correction pressing knife group, 801, rear vertical seat B, 802, rear longitudinal guide rail B, 803, rear sliding seat B, 804, rear longitudinal driving mechanism B, 8041, rear motor seat B, 8042, rear speed reducer B, 8043, rear motor B, 8044, rear screw B, 8045, rear nut seat B, 8046, rear nut B, 8047, rear avoiding opening C, 805, rear lifting guide rail C, 806, rear lifting driving mechanism C, 8061, rear motor seat C, 8062, rear servo motor C, 8063, rear lifting screw C, 8064, rear lifting nut seat C, 8065, rear lifting nut C, 807, rear lifting guide rail D, 808, rear lifting driving mechanism D, 8081, rear motor seat D, 8082, rear servo motor D, 8083, rear lifting screw D, 8084, rear lifting nut seat D, 8085, rear lifting nut D, 8086, rear avoiding opening D, 9, front lower knife disc assembly, 901, lower sliding plate, 902, lower knife disc mounting seat, 903, lower knife disc shaft, 904, lower knife disc, 10, front upper knife disc assembly, 1001, upper sliding plate,1002, upper cutter head mounting seat, 1003, upper cutter head shaft, 1004, upper cutter head, 11, rear lower cutter head assembly, 12, rear upper cutter head assembly, 13, rear lower cutter head assembly A, 14, rear upper cutter head assembly A, 15, material pressing unit, 1501, stand, 1502, lower light shaft, 1503, upper pressing plate, 1504, material supporting roller, 1505, upper light shaft, 1506, material pressing roller, 1507, material pressing motor base, 1508, material pressing speed reducer, 1509, material pressing motor, 1510, transmission shaft, 1511, material pressing lead screw, 1512, top plate, 1513, material pressing nut, 1514, connecting cross beam, 16, driving unit, 1601, driving speed reducer, 1602, output shaft, 1603, telescopic cross universal coupling, 1604, driving motor, 17, broken bridge aluminum profile, 1701, aluminum profile A, 1702, heat insulation strip, 1703, aluminum profile B, 18, existing rolling compound machine structure, 1801, first group of hobbing cutters, 1802, second group of hobbing cutters, 1803, third group of hobbing cutters, 19, guide mechanism. DETAILED DESCRIPTION

[0042] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0043] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0044] Each embodiment in the present specification is described in a progressive manner, and the same or similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the difference from other embodiments.

[0045] In the present application, the terms "transverse", "longitudinal", "vertical", "A", "B", "C", "D" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the position of the indicated technical features.

[0046] In the present application, unless otherwise explicitly specified and limited, the terms "provided with", "provided", "connected", "communicated" and the like should be understood in a broad sense, for example, "provided with" and "provided" can be fixedly installed, or can be detachably installed, or integrated; "connected" can be directly connected, or connected through an intermediate medium, and "communicated" mainly refers to gas communication in the present application. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] As Figures 1-13As shown, the correction composite integrated machine comprises a rack 1, a workbench 2 is arranged above the rack 1, a pre-pressing unit 3 and a correction pressing unit 4 are arranged transversely and spaced apart on the workbench 2, the pre-pressing unit 3 comprises a front pre-pressing knife group 5 and a rear pre-pressing knife group 6 arranged longitudinally and spaced apart, the front pre-pressing knife group 5 and the rear pre-pressing knife group 6 cooperate to pre-press the broken bridge aluminum (here, the broken bridge aluminum refers to the profile which has not been compounded) for composite, the correction pressing unit 4 comprises a front correction pressing knife group 7 and a rear correction pressing knife group 8 arranged longitudinally and spaced apart; the front correction pressing knife group 7 comprises a front lower knife disc assembly 9 and a front upper knife disc assembly 10, the front upper knife disc assembly 9 can be adjusted longitudinally alone, the rear correction pressing knife group 8 comprises a rear lower knife disc assembly 11 and a rear upper knife disc assembly 12, the rear upper knife disc assembly 12 can be adjusted longitudinally alone, the front upper knife disc assembly 9 and the rear upper knife disc assembly 12 cooperate to correct the broken bridge aluminum profile. Compared with the existing roll pressing composite machine 18 (mainly through the first group of roll pressing knives 1801 to pre-press the broken bridge aluminum profile 17, the second group of roll pressing knives 1802 to press the broken bridge aluminum profile 17, and the third group of roll pressing knives 1803 to straighten the broken bridge aluminum profile 17), by designing the front upper knife disc assembly 10 in the front correction pressing knife group 7 and the rear upper knife disc assembly 12 in the rear correction pressing knife group 8 as longitudinally adjustable structures, the broken bridge aluminum profile is first pre-pressed into shape (i.e. preliminary composite) by the front pre-pressing knife group 5 and the rear pre-pressing knife group 6, then the longitudinal adjustment of the front upper knife disc assembly 10 and the rear upper knife disc assembly 12 can realize the misalignment correction of the broken bridge aluminum profile 17, and further realize the correction composite of the broken bridge aluminum profile 17. During actual composite, the aluminum profile A 1701 (aluminum profile with larger bottom surface) in the broken bridge aluminum profile 17 is usually conveyed below, the aluminum profile B 1703 is conveyed above, the heat insulation strip connects the aluminum profile A and the aluminum profile B together, and during correction, the aluminum profile B 1703 is usually corrected by misalignment.

[0048] The front pre-pressing knife group 5 and the front correcting and pressing knife group 7 are structurally identical, comprising a front longitudinal guide rail A701 longitudinally arranged on the workbench 2, a front sliding seat A702 arranged on the front longitudinal guide rail A701, a front longitudinal guide rail B703 longitudinally arranged on the upper end of the front sliding seat A702, a front sliding seat B704 arranged on the front longitudinal guide rail B703, a front longitudinal driving mechanism A705 arranged between the workbench 2 and the front sliding seat A702, a front longitudinal driving mechanism B706 arranged between the front sliding seat A702 and the front sliding seat B704, a front lifting guide rail A707 vertically arranged on the front end of the front sliding seat A702, a front lower knife disc assembly 9 slidingly arranged on the front lifting guide rail A707, a front lifting driving mechanism A708 arranged on the lower end of the front sliding seat A702 and configured to drive the front lower knife disc assembly 9 to lift, a front lifting guide rail B709 vertically arranged on the front end of the front sliding seat B704, a front upper knife disc assembly 10 slidingly arranged on the front lifting guide rail B709, and a front lifting driving mechanism B710 arranged on the upper end of the front sliding seat B704 and configured to drive the front upper knife disc assembly 10 to lift. The specific structure of the front pre-pressing knife group 5 and the front correcting and pressing knife group 7 is given, and the overall longitudinal movement adjustment of the front lower knife disc assembly 9 and the front upper knife disc assembly 10, the separate longitudinal adjustment of the front upper knife disc assembly 10, and the independent vertical lifting adjustment of the front lower knife disc assembly 9 and the front upper knife disc assembly 10 are realized, so as to meet the diversified adjustment requirements of different profiles.

[0049] The front longitudinal driving mechanism A705 comprises a mounting seat A7051 arranged on the workbench 2, a speed reducer A7052 arranged on the outer end of the mounting seat A7051, a motor A7053 arranged on the input end of the speed reducer A7052, a lead screw A7054 connected to the output end of the motor A7053 through a shaft coupling, the lead screw A7054 being rotatably arranged on the mounting seat A7051 through a bearing, a lead screw sleeve 7055 arranged on the front sliding seat A702, a nut A7056 arranged on the end of the lead screw sleeve 7055, and the lead screw A7054 being arranged on the nut A7056. The overall longitudinal adjustment of the front lower knife disc assembly 9 and the front upper knife disc assembly 10 is realized.

[0050] The front longitudinal driving mechanism B706 comprises a mounting seat B7061 arranged on the front sliding seat B704, a speed reducer B7062 arranged on the outer end of the mounting seat B7061, a motor B7063 arranged on the input end of the speed reducer B7062, a lead screw B7064 connected to the output end of the motor B7063 through a shaft coupling, the lead screw B7064 being rotatably arranged on the mounting seat B7061 through a bearing, a nut seat B7065 and a nut B7066 arranged on the upper end of the front sliding seat A702, a front avoiding opening A7067 arranged on the front sliding seat B704 corresponding to the front sliding seat A702, and the lead screw B7064 being arranged on the nut B7066. The separate longitudinal adjustment of the front upper knife disc assembly 10 is realized.

[0051] The front lifting driving mechanism A708 includes a front motor seat A7081 arranged at the lower end of the front sliding seat A702, a front servo motor A7082 arranged at the lower end of the front motor seat A7081, the front servo motor A7082 connected with a front lifting screw A7083 through a shaft coupling, the front lifting screw A7083 rotatably arranged on the front motor seat A7081 through a bearing, a front lifting screw nut seat A7084 and a front lifting screw nut A7085 arranged on the front lower cutter disc assembly 9, and the front lifting screw A7083 installed on the front lifting screw nut A7085. Vertical lifting adjustment of the front lower cutter disc assembly 9 is realized.

[0052] The front lifting driving mechanism B710 includes a front motor seat B7101 arranged at the upper end of the front sliding seat B704, a front servo motor B7102 arranged on the front motor seat B7101, the front servo motor B7102 connected with a front lifting screw B7103 through a shaft coupling, the front lifting screw B7103 rotatably arranged on the front sliding seat B704 through a bearing, a front lifting screw nut seat B7104 and a front lifting screw nut B7105 arranged on the front upper cutter disc assembly 10, and a front avoiding opening B7106 arranged on the front sliding seat B704 in correspondence, and the front lifting screw B7103 installed on the front lifting screw nut B7105. Vertical lifting adjustment of the front upper cutter disc assembly 10 is realized.

[0053] The rear pre-pressing cutter group 6 includes a rear vertical seat A601 arranged on the workbench 2, a rear lifting rail A602 vertically arranged on the inner end surface of the rear vertical seat A601, a rear lower cutter disc assembly A13 and a rear upper cutter disc assembly A14 respectively arranged on the rear lifting rail A602, a rear lifting driving mechanism A603 arranged on the rear vertical seat A601 and driving the rear lower cutter disc assembly A13 to lift, and a rear lifting driving mechanism B604 also arranged on the rear vertical seat A601 and driving the rear upper cutter disc assembly A14 to lift. The specific structure of the rear pre-pressing cutter group 6 is given, independent vertical lifting adjustment of the rear lower cutter disc assembly 11 and the rear upper cutter disc assembly 12 is realized, and the pre-pressing and compounding of the broken bridge aluminum profile 17 is realized in cooperation with the front pre-pressing cutter disc 5.

[0054] The rear lifting driving mechanism A603 includes a rear motor seat A6031 arranged at the upper end of the rear vertical seat A601, a rear servo motor A6032 arranged on the rear motor seat A6031, the rear servo motor A6032 connected with a rear lifting screw A6033 through a shaft coupling, the rear lifting screw A6033 rotatably arranged on the rear vertical seat A601 through a bearing at both ends, a rear lifting screw nut seat A6034 and a rear lifting screw nut A6035 arranged on the rear lower pressing disc assembly A13, a rear avoiding opening A6036 arranged on the rear vertical seat A601 in correspondence, and the rear lifting screw A6033 installed on the rear lifting screw nut A6035. Vertical lifting adjustment of the rear lower cutter disc assembly A13 is realized.

[0055] The rear lifting drive mechanism B604 includes a rear motor seat B6041 arranged on the upper end of the rear vertical seat A601, a rear servo motor B6042 arranged on the rear motor seat B6041, a rear lifting lead screw B6043 connected to the rear servo motor B6042 through a shaft coupling, and the rear lifting lead screw B6043 rotatably arranged on the rear vertical seat A601 through a bearing seat at both ends. The rear upper pressure disc assembly A14 is provided with a rear lifting lead nut seat B6044 and a rear lifting lead nut B6045, and the corresponding rear vertical seat A601 is provided with a rear avoidance opening B6046. The rear lifting lead screw B6043 is installed on the rear lifting lead nut B6045. The vertical lifting adjustment of the front upper cutter disc assembly A14 is realized.

[0056] The rear correction and pressing cutter group 8 includes a rear vertical seat B801 arranged on the workbench 2, a rear longitudinal guide rail B802 arranged on the upper end of the rear vertical seat B801, a rear sliding seat B803 arranged on the rear longitudinal guide rail B802, a rear longitudinal drive mechanism B804 arranged between the rear vertical seat B801 and the rear sliding seat B803, a rear lifting guide rail C805 arranged vertically on the inner end face of the rear vertical seat B801, a rear lower cutter disc assembly 11 arranged on the rear lifting guide rail C805, a rear lifting drive mechanism C806 arranged on the lower end of the rear vertical seat B801 to drive the rear lower cutter disc assembly 11 to lift, a rear lifting guide rail D807 arranged vertically on the inner end face of the rear sliding seat B803, a rear upper cutter disc assembly 12 arranged on the rear lifting guide rail D807, and a rear lifting drive mechanism D808 arranged on the upper end of the rear sliding seat B803 to drive the rear upper cutter disc assembly 12 to lift. The specific structure of the rear correction and pressing cutter group 8 is given, the vertical lifting adjustment of the rear lower cutter disc assembly 11 is realized, the longitudinal adjustment of the rear upper cutter disc assembly 12 is realized, and the vertical lifting adjustment of the rear upper cutter disc assembly 12 is realized.

[0057] The rear longitudinal drive mechanism B804 includes a rear motor seat B8041 arranged on the rear sliding seat B803, a rear speed reducer B8042 arranged on the rear motor seat B8041, a rear motor B8043 arranged on the input end of the rear speed reducer B8042, and a rear lead screw B8044 connected to the output end of the rear speed reducer B8042. The rear lead screw B8044 is rotatably arranged on the rear sliding seat B803 through a bearing seat. The rear vertical seat B801 is provided with a rear lead nut seat B8045 and a rear lead nut B8046, and the corresponding rear sliding seat B803 is provided with a rear avoidance opening C8047. The rear lead screw B8044 is installed on the rear lead nut B8046. The longitudinal adjustment of the rear upper cutter disc assembly 12 is realized.

[0058] The rear lifting driving mechanism C806 includes a rear motor seat C8061 arranged at the lower end of the rear vertical seat B801, a rear servo motor C8062 arranged at the lower end of the rear motor seat C8061, the rear servo motor C8062 connected with a rear lifting screw C8063 through a shaft coupling, the rear lifting screw C8063 rotatably arranged on the rear motor seat C8061 through a bearing, a rear lifting screw nut seat C8064 and a rear lifting screw nut C8065 arranged on the rear lower cutter disc assembly 11, and the rear lifting screw C8063 installed on the rear lifting screw nut C8065. Vertical lifting adjustment of the rear lower cutter disc assembly 11 is realized.

[0059] The rear lifting driving mechanism D808 includes a rear motor seat D8081 arranged at the upper end of the rear sliding seat B803, a rear servo motor D8082 arranged on the rear motor seat D8081, the rear servo motor D8082 connected with a rear lifting screw D8083 through a shaft coupling, the rear lifting screw D8083 rotatably arranged on the rear sliding seat B803 through a bearing at both ends, a rear lifting screw nut seat D8084 and a rear lifting screw nut D8085 arranged on the rear upper pressure disc assembly 12, a rear avoiding opening D8086 arranged on the rear sliding seat B803 corresponding to the rear lifting screw nut seat D8084 and the rear lifting screw nut D8085, and the rear lifting screw D8083 installed on the rear lifting screw nut D8085. Vertical lifting adjustment of the rear upper cutter disc assembly 12 is realized.

[0060] The front lower cutter disc assembly 9 and the rear lower cutter disc assembly 11 are the same in structure, including a lower sliding plate 901, at least one lower cutter disc mounting seat 902 arranged on the lower sliding plate 901, a plurality of lower cutter disc mounting seats 902 arranged transversely and at intervals, a lower cutter disc shaft 903 rotatably arranged on the lower cutter disc mounting seat 902 through a bearing, a lower cutter disc 904 arranged on the lower cutter disc shaft 903, the lower cutter disc 904 acting on the aluminum profile A1701 of the broken bridge aluminum profile 17, and the lower end connected with the driving unit 16. The specific structure of the front lower cutter disc assembly 9 is given. In actual application, preferably, two lower cutter disc mounting seats 902 are arranged transversely and at intervals on the lower sliding plate 901.

[0061] The front upper cutter disc assembly 10 and the rear upper cutter disc assembly 12 are the same in structure, including an upper sliding plate 1001, at least one upper cutter disc mounting seat 1002 arranged on the upper sliding plate 1001, a plurality of upper cutter disc mounting seats 1002 arranged transversely and at intervals, an upper cutter disc shaft 1003 rotatably arranged on the upper cutter disc mounting seat 1002 through a bearing, and an upper cutter disc 1004 arranged on the lower end of the upper cutter disc shaft 1003, the upper cutter disc 1004 acting on the aluminum profile B of the broken bridge aluminum profile. The specific structure of the front upper cutter disc assembly 10 is given. In actual application, preferably, two upper cutter disc mounting seats 1002 are arranged transversely and at intervals on the upper sliding plate 1001.

[0062] The rear lower cutter disc assembly A13 comprises a lower sliding plate A1301, at least one lower cutter disc mounting seat A1302 is arranged on the lower sliding plate A1301, a plurality of lower cutter disc mounting seats A1302 are arranged transversely and are spaced, a lower cutter disc shaft A1303 is rotatably arranged on the lower cutter disc mounting seat A1302 through a bearing, a lower cutter disc A1304 is arranged on the lower cutter disc shaft A1303, a key 1305 is arranged on the upper side wall of the lower cutter disc shaft A1303, and the lower end of the lower cutter disc shaft A1303 is connected with the driving unit 16; the rear upper cutter disc assembly A14 comprises an upper sliding plate A1401, at least one upper cutter disc mounting seat A1402 is arranged on the upper sliding plate A1401, a plurality of upper cutter disc mounting seats A1402 are arranged transversely and are spaced, an upper cutter disc shaft A1403 is rotatably arranged on the upper cutter disc mounting seat A1402 through a bearing, an upper cutter disc A1404 is arranged on the lower end of the upper cutter disc shaft A1403, an installation hole 1405 is arranged in the center of the upper cutter disc shaft A1403, a long key groove 1406 is vertically arranged on the inner wall of the installation hole 1405, the lower cutter disc shaft A1303 is inserted into the installation hole 1405 and can vertically move, and the key 1305 is arranged in the long key groove 1406 to transmit power. The series connection of the lower cutter disc A1304 and the upper cutter disc A1404 is realized, and both are used as driving cutter discs and rotate synchronously.

[0063] A pressing unit 15 is arranged on the upper end of the workbench 2, the pressing unit 15 comprises a plurality of pressing mechanisms arranged transversely and are spaced, the pressing mechanism comprises two vertical columns 1501 arranged longitudinally and are spaced, a lower light shaft 1502 is arranged below the two vertical columns 1501, an upper pressing plate 1503 is arranged to slide on the upper side of the two vertical columns 1501, a material supporting roller 1504 is arranged on the lower light shaft 1503, an upper light shaft 1505 is arranged on the upper pressing plate 1503, a pressing roller 1506 is arranged on the upper light shaft 1505, a top plate 1512 is arranged on the upper end of the two vertical columns 1501, a pressing motor seat 1507 is arranged on the top plate 1512, a pressing speed reducer 1508 is arranged on the pressing motor seat 1507, a pressing motor 1509 is arranged on the input end of the pressing speed reducer 1508, the pressing motor 1509 is connected with a plurality of pressing speed reducers 1508 in series through a shaft coupling and a transmission shaft 1510, the output end of the pressing speed reducer 1508 is connected with a pressing lead screw 1511 through a shaft coupling, the pressing lead screw 1511 is rotatably arranged on the top plate 1512, a pressing nut 1513 is arranged on the upper pressing plate 1503, the pressing lead screw 1511 is connected with the pressing nut 1513, and a plurality of upper pressing plates 1503 are connected through a connecting cross beam 1514. The vertical pressing of the broken bridge aluminum profile 17 is realized.

[0064] The driving unit 16 comprises four driving reducers 1601 connected in series, and the driving reducers 1601 are connected with the transmission shafts through the shaft couplings, and two output shafts 1602 are arranged on the driving reducers 1601, one of the output shafts 1602 is connected with the lower cutter disc shaft 903 in the front lower cutter disc assembly 9 through the telescopic cross universal coupling 1603, the other output shaft 1602 is connected with the lower cutter disc shaft 903 in the rear lower cutter disc assembly 11 through the telescopic cross universal coupling 1603, and one of the driving reducers 1601 is connected with the driving motor 1604.

[0065] In actual application, the guiding mechanism 19 (the existing structure) is further arranged at the front end of the pressing unit 15, and the broken bridge aluminum profile 17 is guided to enter the rolling and pressing.

[0066] The above specific embodiment cannot be used as the limitation of the protection scope of the utility model, and any alternative improvement or change made by the person skilled in the art to the embodiment of the utility model falls within the protection scope of the utility model.

[0067] The parts not described in the utility model are the known technology of the person skilled in the art.

Claims

1. A comprehensive correction machine, characterized in that, The system includes a frame, with a worktable above the frame. A pre-pressing unit and a straightening pressing unit are horizontally spaced on the worktable. The pre-pressing unit includes a front pre-pressing blade group and a rear pre-pressing blade group arranged vertically. These two groups work together to pre-press and compress the thermally broken aluminum profile. The straightening pressing unit includes a front straightening pressing blade group and a rear straightening pressing blade group arranged vertically. The front straightening pressing blade group includes a front lower blade disc assembly and a front upper blade disc assembly, the latter of which can be adjusted vertically independently. The rear straightening pressing blade group includes a rear lower blade disc assembly and a rear upper blade disc assembly, the latter of which can also be adjusted vertically independently. These two groups work together to correct misalignment in the thermally broken aluminum profile.

2. The integrated orthodontic machine according to claim 1, characterized in that, The front pre-clamping tool assembly has the same structure as the front straightening clamping tool assembly, including a front longitudinal guide rail A longitudinally arranged on the worktable, a front slide A on the front longitudinal guide rail A, a front longitudinal guide rail B longitudinally arranged at the upper end of the front slide A, a front slide B on the front longitudinal guide rail B, a front longitudinal drive mechanism A between the worktable and the front slide A, a front longitudinal drive mechanism B between the front slide A and the front slide B, a front lifting guide rail A vertically arranged at the front front end of the front slide A, a front lower cutter head assembly slidably arranged on the front lifting guide rail A, a front lifting drive mechanism A for driving the front lower cutter head assembly to rise and fall at the lower end of the front slide A, a front lifting guide rail B vertically arranged at the front front end of the front slide B, a front upper cutter head assembly slidably arranged on the front lifting guide rail B, and a front lifting drive mechanism B for driving the front upper cutter head assembly to rise and fall at the upper end of the front slide B.

3. The integrated orthodontic machine according to claim 2, characterized in that, The front longitudinal drive mechanism A includes a mounting base A on a worktable, a reducer A at the outer end of the mounting base A, a motor A at the input end of the reducer A, and an output end connected to a lead screw A via a coupling. The lead screw A is rotatably mounted on the mounting base A via bearings. A lead drum is mounted on the front slide A, and a lead screw nut A is located at the end of the lead drum. The lead screw A is mounted on the lead screw nut A. The front longitudinal drive mechanism B includes a mounting base B on a front slide B, a reducer B at the outer end of the mounting base B, a motor B at the input end of the reducer B, and an output end connected to a lead screw B via a coupling. The lead screw B is rotatably mounted on the mounting base B via bearings. A lead screw nut seat B and a lead screw nut B are located at the upper end of the front slide A. A front clearance opening A is provided on the corresponding front slide B. The lead screw B is mounted on the lead screw nut B. The front lifting drive mechanism A includes... A front motor mount A is located at the lower end of the front slide block A. A front servo motor A is provided at the lower end of the front motor mount A. The front servo motor A is connected to the front lifting screw A via a coupling. The front lifting screw A is rotatably mounted on the front motor mount A via a bearing. The front lower cutter head assembly is provided with a front lifting screw nut A and a front lifting screw nut A. The front lifting screw A is mounted on the front lifting screw nut A. The front lifting drive mechanism B includes a front motor mount B located at the upper end of the front slide block B. A front servo motor B is provided on the front motor mount B. The front servo motor B is connected to the front lifting screw B via a coupling. The front lifting screw B is rotatably mounted on the front slide block B via a bearing with a seat. The front upper cutter head assembly is provided with a front lifting screw nut B and a front lifting screw nut B. The corresponding front slide block B is provided with a front clearance opening B. The front lifting screw B is mounted on the front lifting screw nut B.

4. The integrated orthodontic machine according to claim 3, characterized in that, The rear pre-clamping knife assembly includes a rear stand A mounted on the worktable. A rear lifting guide rail A is vertically mounted on the inner end face of the rear stand A. A rear lower pressure plate assembly A and a rear upper pressure plate assembly A are respectively mounted on the rear lifting guide rail A. A rear lifting drive mechanism A is mounted on the rear stand A to drive the rear lower pressure plate assembly A to lift. A rear lifting drive mechanism B is also mounted on the rear stand A to drive the rear upper pressure plate assembly A to lift.

5. The integrated orthodontic machine according to claim 4, characterized in that, The rear lifting drive mechanism A includes a rear motor base A disposed on the upper end of the rear stand A, a rear servo motor A disposed on the rear motor base A, and a rear lifting screw A connected to the rear servo motor A via a coupling. The two ends of the rear lifting screw A are rotatably mounted on the rear stand A via bearing seats. The rear lower pressure plate assembly A is provided with a rear lifting screw nut seat A and a rear lifting screw nut A. The corresponding rear stand A is provided with a rear clearance opening A. The rear lifting screw A is mounted on the rear lifting screw nut A. The rear lifting drive mechanism B includes a rear motor base B disposed on the upper end of the rear stand A, a rear servo motor B disposed on the rear motor base B, and a rear lifting screw B connected to the rear servo motor B via a coupling. The two ends of the rear lifting screw B are rotatably mounted on the rear stand A via bearing seats. The rear upper pressure plate assembly A is provided with a rear lifting screw nut seat B and a rear lifting screw nut B. The corresponding rear stand A is provided with a rear clearance opening B. The rear lifting screw B is mounted on the rear lifting screw nut B.

6. The integrated orthodontic machine according to claim 5, characterized in that, The rear straightening and clamping tool assembly includes a rear upright B mounted on a worktable. A rear longitudinal guide rail B is longitudinally arranged on the upper end of the rear upright B. A rear slide block B is slidably mounted on the rear longitudinal guide rail B. A rear longitudinal drive mechanism B is provided between the rear upright B and the rear slide block B. A rear lifting guide rail C is vertically arranged on the inner end face of the rear upright B. A rear lower cutter head assembly is mounted on the rear lifting guide rail C. A rear lifting drive mechanism C for driving the rear lower cutter head assembly to rise and fall is provided at the lower end of the rear upright B. A rear lifting guide rail D is vertically arranged on the inner end face of the rear slide block B. A rear upper cutter head assembly is slidably mounted on the rear lifting guide rail D. A rear lifting drive mechanism D for driving the rear upper cutter head assembly to rise and fall is provided at the upper end of the rear slide block B.

7. The integrated correction device according to claim 6, characterized in that, The rear longitudinal drive mechanism B includes a rear motor mount B mounted on a rear slide block B. A rear reducer B is mounted on the rear motor mount B. The input end of the rear reducer B is connected to the rear motor B, and its output end is connected to the rear lead screw B. The rear lead screw B is rotatably mounted on the rear slide block B via a bearing. A rear lead screw nut mount B and a rear lead screw nut B are located on the upper end of the rear support B. A rear clearance opening C is provided on the corresponding rear slide block B. The rear lead screw B is mounted on the rear lead screw nut B. The rear lifting drive mechanism C includes a rear motor mount C located at the lower end of the rear support block B. A rear servo motor C is located at the lower end of the rear motor mount C. The rear servo motor C is connected to the rear lifting lead screw C via a coupling. The lever C is rotatably mounted on the rear motor seat C via bearings. The rear lower cutter head assembly is provided with a rear lifting screw nut seat C and a rear lifting screw nut C. The rear lifting screw C is mounted on the rear lifting screw nut C. The rear lifting drive mechanism D includes a rear motor seat D located on the upper end of the rear slide B. The rear motor seat D is provided with a rear servo motor D. The rear servo motor D is connected to the rear lifting screw D via a coupling. The two ends of the rear lifting screw D are rotatably mounted on the rear slide B via bearing seats. The rear upper pressure plate assembly is provided with a rear lifting screw nut seat D and a rear lifting screw nut D. The corresponding rear slide B is provided with a rear clearance opening D. The rear lifting screw D is mounted on the rear lifting screw nut D.

8. The integrated orthodontic machine according to claim 7, characterized in that, The front lower cutter head assembly and the rear lower cutter head assembly have the same structure, including a lower slide plate. At least one lower cutter head mounting seat is provided on the lower slide plate, and multiple lower cutter head mounting seats are arranged laterally at intervals. A lower cutter head shaft is rotatably provided on the lower cutter head mounting seat through a bearing. A lower cutter head is provided at the upper end of the lower cutter head shaft, and the lower end is connected to the drive unit. The front upper cutter head assembly and the rear upper cutter head assembly have the same structure, including an upper slide plate. At least one upper cutter head mounting seat is provided on the upper slide plate, and multiple upper cutter head mounting seats are arranged laterally at intervals. An upper cutter head shaft is rotatably provided on the upper cutter head mounting seat through a bearing, and an upper cutter head is provided at the lower end of the upper cutter head shaft.

9. The integrated orthodontic machine according to claim 8, characterized in that, The rear lower cutter head assembly A includes a lower slide plate A, on which at least one lower cutter head mounting seat A is provided. Multiple lower cutter head mounting seats A are arranged laterally at intervals. A lower cutter head shaft A is rotatably mounted on the lower cutter head mounting seat A via bearings. A lower cutter head A is mounted on the lower cutter head shaft A. A key is provided on the upper sidewall of the lower cutter head shaft A. The lower end of the lower cutter head shaft A is connected to a drive unit. The rear upper cutter head assembly A includes an upper slide plate A, on which at least one upper cutter head mounting seat A is provided. Multiple upper cutter head mounting seats A are arranged laterally at intervals. An upper cutter head shaft A is rotatably mounted on the upper cutter head mounting seat A via bearings. An upper cutter head A is mounted at the lower end of the upper cutter head shaft A. A mounting hole is provided at the center of the upper cutter head shaft A. A long keyway is vertically provided on the inner wall of the mounting hole. The lower cutter head shaft A is inserted into the mounting hole and can move vertically. The key is installed in the long keyway for power transmission.

10. The integrated correction device according to claim 9, characterized in that, The workbench is equipped with a pressing unit at its upper end. The pressing unit includes multiple pressing mechanisms spaced laterally. Each pressing mechanism includes two columns spaced longitudinally. A lower optical shaft is located below the two columns, and an upper pressure plate slides above them. A material support roller is mounted on the lower optical shaft, and an upper optical shaft is mounted on the upper pressure plate. A pressing roller is mounted on the upper optical shaft. A top plate is located at the upper end of the two columns, and a pressing motor base is located on the top plate. A pressing reducer is mounted on the pressing motor base, and a pressing motor is located at the input end of the pressing reducer. The pressing motor is connected in series with multiple pressing reducers via a coupling and a transmission shaft. The output end of the pressure reducer is connected to the pressure screw via a coupling. The pressure screw is rotatably mounted on the top plate. The upper pressure plate is provided with a pressure nut, and the pressure screw is connected to the pressure nut. Multiple upper pressure plates are connected by a connecting beam. The drive unit includes four drive reducers connected in series. Each drive reducer has two output shafts. One output shaft is connected to the lower cutter head shaft in the front lower cutter head assembly via a telescopic universal coupling, and the other output shaft is connected to the lower cutter head shaft in the rear lower cutter head assembly via a telescopic universal coupling. One of the drive reducers is connected to a drive motor.

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