High-precision circumferential packing machine and packing method

Abstract

The invention discloses a high-precision circumferential packing machine which comprises a stand column platform, a transverse moving cart assembly, a corner protection pressing disc assembly, a moving belt track assembly, a lifting trolley assembly and a steel belt deviation rectifying device. The two angle bead pressing disc assemblies are installed on the left side and the right side of a packaged coiled material correspondingly and can press angle beads of the coiled material. The transverse moving cart assembly is installed on the stand column platform and moves left and right along the stand column platform. The lifting trolley assembly is connected with the transverse moving cart assembly and moves up and down along the transverse moving cart assembly. The two moving belt track assemblies are connected with the front side and the rear side of the lower portion of the transverse moving cart assembly and used for controlling opening and closing of a belt conveying belt track. The two steel belt deviation rectifying devices are connected with the two movable belt track assemblies correspondingly and used for limiting the position of the packing steel belt on the coiled material. The pressing device can achieve the pressing function of the left and right corner protectors of the coiled material. And meanwhile, the steel belt can accurately enter the groove in the middle of the angle bead without deviation and deflection during packaging.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of packing machine, in particular to a circumferential packing machine and a packing method. BACKGROUND

[0002] With the development of industrial production, the output of various kinds of plates is increasing. Among them, the products produced by cold-rolled plate or aluminum industry enterprises are mostly delivered in roll shape, called steel roll or aluminum roll, which is collectively referred to as coil below. The outer surface of the coil will be mechanically protected before delivery to prevent damage to the outer surface and affect the appearance and even the quality of the product. The demand for the packing quality and precision of the coil packing machine is also increasing.

[0003] Since manual packing of the coil is time-consuming and labor-intensive, it cannot be automated for continuous production, and cannot meet the increasingly sophisticated intelligent and automated production needs of steel plants. Therefore, circumferential packing machines are gradually used. In order to prevent damage to the two ends of the coil, a corner protector needs to be set at both ends before packing, but the circumferential packing machines currently used have the following shortcomings: 1. The corner protectors at both ends are not pressed tightly; 2. The steel belt will deviate and skew during packing, which cannot guarantee that the steel belt is packed in the center of the corner protector. Therefore, the existing circumferential packing machine cannot guarantee the appearance and quality of the packing. SUMMARY

[0004] The problem to be solved by the present application is to provide a high-precision circumferential packing machine that can realize the pressing function of the left and right corner protectors of the coil. At the same time, it can ensure that the steel belt accurately enters the groove in the middle of the corner protector during packing without deviation and skew. In addition, it can ensure that the packing is carried out at the position of the corner protector.

[0005] The present application is a high-precision circumferential packing machine, which comprises a column platform, a horizontal moving car assembly, a corner protector pressing disc assembly, a moving belt way assembly, a lifting trolley assembly, and a steel belt deviation correction device. Two corner protector pressing disc assemblies are respectively installed on the left and right sides of the coil to be packed, which can press the corner protectors of the coil. The horizontal moving car assembly is installed on the column platform and moves left and right along the column platform. The lifting trolley assembly is connected with the horizontal moving car assembly and moves up and down along the horizontal moving car assembly. Two moving belt way assemblies are connected with the front and rear sides of the lower part of the horizontal moving car assembly, which are used to control the opening and closing of the belt way. Two steel belt deviation correction devices are respectively connected with the two moving belt way assemblies, which are used to limit the position of the packing steel belt on the coil.

[0006] Further, the column platform comprises a column, a long cross beam, a short cross beam, a platform, and a rack. The column is fixed to the foundation, and the platform is fixed to the upper part of the four columns. The inner edge of the platform is symmetrically provided with two long cross beams and two short cross beams. A rack is provided on one of the long cross beams. The setting direction of the long cross beam is parallel to the length direction of the coil. The horizontal moving car assembly is connected with the rack.

[0007] Furthermore, the transverse trolley assembly includes a transverse motor, a trolley frame, gears, a fixed belt track, and a chain assembly; the transverse motor is fixedly connected to the middle plate of the upper crossbeam of the trolley frame, and the gear on its transmission shaft is engaged with the rack; the inner sides of the front and rear legs of the trolley frame are respectively connected to the fixed belt track; the chain assembly is connected to the trolley frame.

[0008] Furthermore, the chain assembly includes a lifting motor, a driving sprocket, a driven sprocket, a transmission chain, a transmission shaft, a bearing seat, a sprocket, a chain, and a counterweight; bearing seats are fixed on the front and rear plates of the upper cross beam of the large frame, and the two ends of the transmission shaft are respectively connected to the bearings in the two bearing seats; the lifting motor is fixed on the middle plate of the upper cross beam of the large frame, and a driving sprocket is installed on its transmission shaft, and the driven sprocket is connected to the transmission shaft and connected to the driving sprocket through a transmission chain; a sprocket is connected to each end of the transmission shaft, and the sprockets are located on the inner sides of the two bearing seats. The chain is mounted on the sprocket, and its two ends are respectively connected to the counterweight and the lifting trolley assembly.

[0009] Furthermore, the transverse trolley assembly also includes a proximity switch, which is arranged at the ends of the front and rear plates of the upper cross beam of the trolley frame.

[0010] Furthermore, the two corner guard pressure plate assemblies are symmetrically arranged on the left and right, and the corner guard pressure plate assembly includes a pressure plate base, a guide rail, a pressure plate, a roller assembly, a cylinder, a connecting bracket, and a laser rangefinder; the pressure plate base is fixed on the foundation, the cylinder and the two guide rails are respectively fixed on the upper surface of the pressure plate base, the two guide rails are located at the front and rear ends of the cylinder, the telescopic rod of the cylinder is connected to the pressure plate through the connecting bracket, and the roller assemblies are installed under the front and rear ends of the pressure plate, and the roller assembly is located in the guide rail; the laser rangefinder is fixed on the upper surface of the pressure plate base.

[0011] Furthermore, the lifting trolley assembly includes a trolley, a packing head assembly, and a connecting rod; the packing head assembly is fixed on the trolley, and connecting rods are provided at both ends of the trolley, and the connecting rods are connected to the chains.

[0012] Furthermore, the two moving belt track assemblies are symmetrically arranged front to back, and each moving belt track assembly includes a bracket, a base, a linear guide rail, a belt track, and a cylinder; the cylinder is arranged in the base, and its telescopic rod is connected to the belt track, the linear guide rail is arranged in the base, and the slider at the bottom of the belt track cooperates with the linear guide rail; the bracket is fixed outside the base and fixedly connected to the legs of the large frame; the linear guide rail is located directly below the fixed belt track.

[0013] Furthermore, the two steel belt correction components are symmetrically arranged front to back, and each steel belt correction group includes a rotating base, a bearing, a rotating shaft, a cylinder mounting plate, a guide plate, a connecting plate, a hinged plate, and a cylinder; one end of the cylinder mounting plate is fixedly connected to the base, and the other end is fixedly connected to the cylinder; the left and right guide plates are sleeved on the outside of the base and connected to form a whole through a connecting plate; the rotating base is fixed to the bottom of the base, the two ends of the rotating shaft are fixedly connected to the left and right guide plates, and the middle is matched with the bearing of the rotating base bearing mounting plate; the telescopic rod of the cylinder is hinged to a guide plate through a hinged plate.

[0014] The present invention provides a packaging method for a high-precision circumferential baler: I. The coil falls onto the packaging station (corner guards have been installed at the front ends of the coil), and the transverse trolley is at the initial position through the proximity switch; II. The left and right cylinders respectively push the pressure plate to move toward the coil position to press the corner guards at both ends of the coil, and two laser rangefinders feedback data and transmit the left and right position information of the coil to the PLC, which is used as the moving distance of the transverse trolley assembly; III. The transverse motor works to move the transverse trolley assembly to a packaging position first (according to the data of a laser rangefinder transmitted from the PLC); IV. The front and rear cylinders Push the belt track to move inward and close. At the same time, the front and rear cylinders push the guide plate to rotate and press it on the corner guard; V. Start feeding the strap, and the strapping tape passes through the strapping head to wrap around the belt track assembly for one circle; VI. The lifting motor works, and the chain drives the lifting trolley assembly down to the strapping head and contacts the upper surface of the coil. The strapping head reels in the strap and makes a buckle. At this time, the strapping tape enters the groove of the corner guard at one end; VII. Repeat the above step III to move the transverse trolley assembly to another strapping position (according to the data of another laser rangefinder transmitted by the PLC); repeat steps IV-VI, and the strapping tape enters the groove of the corner guard at the other end.

[0015] The advantages of the circumferential baler of the present invention are: 1. The two corner guard pressure plate assemblies are respectively installed on both sides of the packaged coil, which can realize the compression function of the left and right corner guards of the coil; 2. The two steel belt correction devices ensure that the steel belt accurately enters the groove in the middle of the corner guard during packaging without deviation or skew; 3. The corner guard pressure plate assembly transmits the position of the corner guard to the PLC of the baler, and the PLC transmits the position information to the transverse trolley assembly, ensuring that the transverse trolley assembly can accurately move to the position of the corner guard and perform packaging. Therefore, the present invention realizes the compression of the left and right corner guards and enables the left and right packaging steel belts to accurately enter the grooves in the center of the left and right corner guards, that is, realizes high-precision packaging, thereby ensuring the quality and appearance of the packaging. At the same time, the present invention can also ensure that the steel belt will not deviate or skew when packaging other positions of the coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the coiled material with the corner guard installed in the present invention.

[0017] Figure 2 It is a front view of the coiled material with the corner guard installed in the present invention.

[0018] Figure 3 It is a three-dimensional diagram of the circumferential baler of the present invention.

[0019] Figure 4 It is a front view of the circumferential baler of the present invention.

[0020] Figure 5 It is a left side view of the circumferential baler of the present invention.

[0021] Figure 6 It is a three-dimensional diagram of the column platform.

[0022] Figure 7 It is a three-dimensional diagram of the transverse trolley assembly.

[0023] Figure 8 It is a three-dimensional view of the corner guard pressure plate assembly.

[0024] Figure 9 is a schematic diagram of the lifting trolley assembly.

[0025] Figure 10 It is a three-dimensional structure of the moving belt assembly and the steel belt correcting device. Figure 1 .

[0026] Figure 11 It is a three-dimensional structure of the moving belt assembly and the steel belt correcting device. Figure 2 . DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Example 1

[0029] from Figure 3 、 Figure 4 、 Figure 5 It can be seen that the present invention is a high-precision circumferential baler: it includes a column platform 1, a transverse trolley assembly 2, a corner protection pressure plate assembly 3, a movable belt track assembly 4, a lifting trolley assembly 5, and a steel belt correcting device 6; the two corner protection pressure plate assemblies 3 are respectively installed on the left and right sides of the packaged coil, and can compress the corner protection of the coil; the transverse trolley assembly 2 is installed on the column platform 1 and moves left and right along the column platform 1; the lifting trolley assembly 5 is connected to the transverse trolley assembly 2 and moves up and down along the transverse trolley assembly 2; the two movable belt track assemblies 4 are connected to the front and rear sides of the lower part of the transverse trolley assembly 2, and are used to control the opening and closing of the belt feed track; the two steel belt correcting devices 6 are respectively connected to the two movable belt track assemblies 4, and are used to limit the position of the packaging steel belt on the coil.

[0030] The working principle of the circumferential baler of the present invention is: when the coil is placed on the baling station of the baler, the two corner guard pressure plate assemblies 3 press the left and right corner guards of the coil and transmit the moving distance to the PLC, and the transverse trolley assembly 2 moves to the position of the left and right corner guards along the column platform 1 according to the data fed back by the PLC, and the moving belt track assembly 4, the lifting trolley assembly 5, and the steel belt correcting device 6 move simultaneously with the transverse trolley assembly 2; the two moving belt track assemblies 4 work to close the belt feeding belt track, and the two steel belt correcting devices 6 work to press on the corner guards to limit the position of the baling steel belt on the corner guards; the baling steel belt is fed, and the lifting trolley assembly 5 descends and retracts the belt, and makes buckles to complete the baling.

[0031] The advantages of the circumferential baler of the present invention are as follows: 1. Two corner guard pressure plate assemblies are installed on either side of the coil being baled, respectively, to achieve the function of pressing the left and right corner guards of the coil; 2. Two steel belt deviation correction devices ensure that the steel belts accurately enter the grooves in the center of the corner guards during baling without deviation or skew; 3. The corner guard pressure plate assembly transmits the position of the corner guard to the baler's PLC, which transmits the position information to the transverse trolley assembly, ensuring that the transverse trolley assembly can accurately move to the position of the corner guards and perform baling. Therefore, the present invention achieves the compression of the left and right corner guards and enables the left and right baling steel belts to accurately enter the grooves in the center of the left and right corner guards, thus achieving high-precision baling, thereby ensuring the quality and appearance of the baling.

[0032] Example 2

[0033] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 It can be seen that the circumferential baler of the present invention: the column platform 1 includes a column 11, a long crossbeam 12, a short crossbeam 13, a platform 14, and a rack 17; the column 11 is fixed on the foundation, and the platform 14 is fixed on the four columns 11. Two long crossbeams 12 and two short crossbeams 13 are symmetrically arranged on the inner side of the platform 14, and a rack 17 is arranged on one of the long crossbeams 12; the setting direction of the long crossbeam 12 is parallel to the length direction of the coil; the transverse trolley assembly 2 is connected to the rack 17.

[0034] The column platform 1 forms the foundation of the entire machine. The traverse trolley assembly 2 moves left and right via the column platform 1, enabling multiple circumferential packaging of coils. Long and short beams 12, 13 reinforce the platform, with the long beam 12 providing the foundation for the rack 17 and traverse guide unit.

[0035] Example 3

[0036] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6It can be seen that the circumferential baler of the present invention: the column platform 1 also includes a diagonal brace 18, and the column 11 and the long beam 12, the short beam 13, and the platform 14 are all connected by the diagonal brace 18.

[0037] The diagonal braces 18 reinforce the column platform 1 to improve its overall strength.

[0038] Example 4

[0039] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 It can be seen that the circumferential baler of the present invention: the transverse moving trolley assembly 2 includes a transverse moving motor 200, a trolley frame 201, a gear 215, a fixed belt 205, and a chain assembly; the transverse moving motor 200 is fixedly connected to the middle plate of the upper crossbeam of the trolley frame 201, and the gear 215 on its transmission shaft is engaged with the rack 17; the inner sides of the front and rear legs of the trolley frame 201 are respectively connected to the fixed belt 205; the chain assembly is connected to the trolley frame 201.

[0040] The transverse motor 200 works, and the gear 215 moves along the rack 17, driving the transverse trolley assembly 2 to move left and right along the length direction of the coil, so that the coil is circumferentially packaged according to the required position.

[0041] Example 5

[0042] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 It can be seen that the circumferential baler of the present invention: the chain assembly includes a lifting motor 206, a driving sprocket 207, a driven sprocket 208, a transmission chain 209, a transmission shaft 210, a bearing seat 211, a sprocket 212, a chain 213, and a counterweight 214; bearing seats 211 are fixed on the front and rear plates of the upper cross beam of the large frame 201, and the two ends of the transmission shaft 210 are respectively connected to the bearings in the two bearing seats 211; the lifting motor 206 is fixed on the middle plate of the upper cross beam of the large frame 201, and a driving sprocket 207 is installed on its transmission shaft, and the driven sprocket 208 is connected to the transmission shaft 210 and is connected to the driving sprocket 207 through a transmission chain 209; a sprocket 212 is connected to each end of the transmission shaft 210, and the sprocket 212 is located on the inner side of the two bearing seats 211, and the chain 213 is mounted on the sprocket 212, and its two ends are respectively connected to the counterweight 214 and the lifting trolley assembly 5.

[0043] The legs of the large vehicle frame 201 are rectangular tubes, and the counterweight 214 is arranged in the middle of the rectangular tube.

[0044] The lifting motor 206 works, and it drives the transmission shaft 210 to rotate through the active sprocket 207, the transmission chain 209, and the driven sprocket 208. The transmission shaft 210 drives the lifting trolley assembly 5 up and down through the sprockets 212 and chains 213 at both ends, so that it is located at a suitable position to achieve packaging.

[0045] Example 6

[0046] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 It can be seen that the circumferential baler of the present invention also includes two transverse guide units, each of which includes a track 15, a limit plate 16, and a wheel 202; the two long beams 12 are respectively installed with a track 15, and a limit plate 16 is respectively provided at the left and right ends of each track 15, and wheels 202 are respectively provided at the left and right ends of the front and rear plates of the upper cross beam of the large frame 201, and the wheels 202 are located in the track 15.

[0047] When the transverse moving trolley assembly 2 moves transversely, the wheels 202 move along the track 15 to provide guidance for the transverse moving trolley assembly, and the limiting plate 16 limits the transverse movement.

[0048] Example 7

[0049] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 It can be seen that the circumferential baler of the present invention: the transverse moving trolley assembly 2 also includes a proximity switch 216, and the proximity switch 216 is arranged at the ends of the front and rear plates of the upper cross beam of the trolley frame 201.

[0050] The proximity switch 216 is the home switch of the transverse trolley, that is, the physical zero position of the transverse trolley: the distance moved by the transverse trolley assembly 2 is obtained by converting the actual value of the encoder of the transverse motor 200 with this switch as the zero position.

[0051] Example 8

[0052] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 It can be seen that the circumferential baler of the present invention: the transverse moving trolley assembly 2 also includes a bearing seat 211, the bearing seat 211 is fixed in the middle of the middle plate above the upper cross beam of the trolley frame 201, and the middle part of the transmission shaft 210 is connected to the bearing in the bearing seat 211.

[0053] The middle bearing seat 211 improves the strength of the transmission shaft 210 .

[0054] Example 9

[0055] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 8 It can be seen that the circumferential baler of the present invention: the two corner guard pressure plate assemblies 3 are symmetrically arranged on the left and right, and the corner guard pressure plate assembly 3 includes a pressure plate base 31, a guide rail 32, a pressure plate 33, a roller assembly 34, a cylinder 35, and a connecting bracket 36; the pressure plate base 31 is fixed on the foundation, the cylinder 35 and the two guide rails 32 are respectively fixed on the upper surface of the pressure plate base 31, the two guide rails 32 are located at the front and rear ends of the cylinder 35, the telescopic rod of the cylinder 35 is connected to the pressure plate 33 through the connecting bracket 36, and the roller assembly 34 is installed under the front and rear ends of the pressure plate 33, and the roller assembly 34 is located in the guide rail 32.

[0056] The cylinder 35 works and drives the pressure plate 33 to move left and right through the telescopic rod to achieve the compression of the front and rear corners of the coil. The roller assembly 34 moves along the guide rail 32 to provide guidance for the left and right movement of the pressure plate 33.

[0057] Example 10

[0058] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 8 It can be seen that the circumferential baler of the present invention: each corner protection pressure plate assembly 3 also includes a laser rangefinder 37, and the laser rangefinder 37 is fixed on the upper surface of the pressure plate base 31.

[0059] Each of the two corner guard pressure plate assemblies has a laser rangefinder 37, which is used to measure the forward distance of the corner guard pressure plate 33: when the cylinder 35 is fully retracted, the laser rangefinder 37 is at zero position, and the extension distance of the cylinder 35 is directly measured by the laser rangefinder 37 and transmitted back to the PLC controller of the baling machine.

[0060] Example 11

[0061] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 9 It can be seen that the circumferential baler of the present invention: the lifting trolley assembly 5 includes a trolley 51, a baling head assembly 52, and a connecting rod 54; the baling head assembly 52 is fixed on the trolley 51, and connecting rods 54 are provided at both ends of the trolley 51, and the connecting rods 54 are connected to the chain 213.

[0062] The lifting motor 206 works, and the chain 213 drives the lifting trolley assembly 5 to move up and down through the connecting rod 54, thereby realizing the up and down movement of the packing head assembly.

[0063] Example 12

[0064] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 7 、 Figure 9 It can be seen that the circumferential baler of the present invention also includes two lifting guide units, each of which includes a track 203, a limiter 204, and a lifting guide wheel 53; tracks 203 are respectively set on the inner sides of the front and rear legs of the large frame 201, and limiters 204 are set at the upper and lower ends of the track 203. Lifting guide wheels 53 are respectively set at the front and rear ends of the trolley 51, and the lifting guide wheels 53 are located in the track 203.

[0065] When the chain assembly drives the lifting trolley assembly 5 to move up and down, the lifting guide wheel 53 moves along the track 203 to provide guidance for the lifting trolley assembly 5, and the limit member 204 limits the up and down movement.

[0066] Example 13

[0067] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 10 It can be seen that the circumferential baler of the present invention: the two movable belt track assemblies 4 are symmetrically arranged front to back, and each movable belt track assembly 4 includes a bracket 41, a base 42, a linear guide rail 43, a belt track 44, and a cylinder 45; the cylinder 45 is arranged in the base 42, and its telescopic rod is connected to the belt track 44, the linear guide rail 43 is arranged in the base 42, and the slider at the bottom of the belt track 44 cooperates with the linear guide rail 43; the bracket 41 is fixed outside the base 42 and is fixedly connected to the vehicle leg of the large frame 201; the linear guide rail 43 is located directly below the fixed belt track 205.

[0068] The left and right cylinders 45 work to drive the belt track 44 to move, thereby opening and closing the belt track; the cooperation between the slider and the linear guide rail 43 provides guidance for the movement of the belt track 44.

[0069] When the coiled material is being packaged, the left and right belt paths 44 are closed to form a complete belt path together with the packaging head assembly 52 and the left and right fixed belt paths 205 to achieve packaging.

[0070] Example 14

[0071] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 10 、 Figure 11 It can be seen that the circumferential baler of the present invention: each movable belt assembly 4 also includes a protective cover 46, the protective cover 46 is connected to the base 42, and the cylinder 45 and the linear guide rail 43 are located in the space formed by the protective cover 46 and the base 42.

[0072] The protective cover 46 protects the cylinder 45 and the linear guide 43 .

[0073] Example 15

[0074] from Figure 3 、 Figure 4 、 Figure 5 、 Figure 10 、 Figure 11 It can be seen that the circumferential baler of the present invention: the two steel belt correcting assemblies 6 are symmetrically arranged front to back, and each steel belt correcting assembly 6 includes a rotating base 61, a bearing 62, a rotating shaft 63, a cylinder mounting plate 64, a guide plate 65, a connecting plate 66, a hinged plate 67, and a cylinder 68; one end of the cylinder mounting plate 64 is fixedly connected to the base 42, and the other end is fixedly connected to the cylinder 68; the left and right guide plates 65 are sleeved on the outside of the base 42 and are connected to form a whole through the connecting plate 66; the rotating base 61 is fixed to the bottom of the base 42, the two ends of the rotating shaft 63 are fixedly connected to the left and right guide plates 65, and the middle is matched with the bearing 62 of the bearing mounting plate of the rotating base 61; the telescopic rod of the cylinder 68 is hinged to a guide plate 65 through the hinged plate 67.

[0075] The cylinder 68 works, and its telescopic rod pushes the guide plate 65, so that the guide plate 65 rotates around the hinge point through the rotating shaft 63 to control the opening and closing of the correction component: when packing, the front and rear two guide plates 65 rotate to the front and rear of their upper parts pressing on the corner guard at one end, and the packing line comes out from the openings in the upper parts of the two guide plates 65 and enters the groove of the corner guard, thereby ensuring the packing position.

[0076] The distance between the left and right guide plates 65 gradually decreases from the bottom to the top.

[0077] When the baling line is being wound up, the baling line moves circumferentially from the moving belt 44 to the coil, and the distance between the left and right guide plates 65 is gradually shortened from the bottom to the top, which can ensure that the baling line moves smoothly at the beginning of the winding up, and can also ensure that the baling line is reliably positioned in the groove in the middle of the corner guard at the end of the winding up.

[0078] Example 16

[0079] The packaging method of the circumferential packaging machine of the present invention:

[0080] Ⅰ. The coil falls to the packaging station (the front ends of the coil have been equipped with corner guards, such as Figure 1 、 Figure 2 As shown), the traverse trolley is at the initial position through the proximity switch;

[0081] II. The left and right cylinders 35 push the pressure plate 33 toward the coil position to compress the corner guards at both ends of the coil. Two laser rangefinders 37 provide feedback and transmit the left and right position information of the coil to the PLC. This data is used as the travel distance of the transverse carriage assembly.

[0082] Ⅲ transverse motor 200 works, so that the transverse carriage assembly 2 is first moved to a packaging position (according to the data transmitted from a laser rangefinder 37 by the PLC);

[0083] Ⅳ. The front and rear cylinders 55 push the belt path 44 to move inward and close. At the same time, the front and rear cylinders 68 push the guide plate 65 to rotate so that it presses on the corner guard;

[0084] Ⅴ start feeding, the strapping tape through the strapping head 52 will wrap around the belt channel assembly for a week;

[0085] Ⅵ. The lifting motor 26 works, and the chain 213 drives the lifting trolley assembly 5 down until the strapping head 52 contacts the upper surface of the coil. The strapping head 52 retracts the strap and buckles it. At this time, the strapping tape enters the groove of the corner guard at one end;

[0086] Ⅶ. Repeat the above step III to move the transverse trolley assembly 2 to another packaging position (according to the data of another laser rangefinder 37 transmitted from the PLC); repeat steps IV-VI, and the packaging tape enters the groove of the corner guard at the other end.

[0087] Therefore, the present invention realizes that the corner guard 8 of the coil is tightly pressed against the surface of the coil 7 during circumferential packaging, and the steel strip is corrected and positioned by the steel strip correction component, and the transverse trolley component is accurately moved, thereby ensuring that the steel strip is packaged in the center of the corner guard 8, such as Figure 1 、 Figure 2 As shown, the packaging appearance and quality are greatly improved.

[0088] Example 17

[0089] Packing method: In the above steps, the actual packing location is determined by:

[0090] Before packaging, the left and right cylinders 35 drive the left and right pressure plates 33 to return to their initial positions. The two initial positions are the initial origins of the left and right lateral movement of the traverse trolley.

[0091] The initial position of the left pressure plate 33 is defined as position A. When the left cylinder 35 extends to press the left pressure plate 33 against the left corner guard, the detection value of the left laser rangefinder 37 is defined as X1. The actual packaging position value on the left side = position A-X1.

[0092] The initial position of the right pressure plate 33 is defined as position B. When the right cylinder 35 extends to press the right pressure plate 33 against the right corner guard, the detection value of the right laser rangefinder 37 is defined as X2. The actual packaging position value on the right side = position B + X2.

[0093] After calculating the actual baling position, the transverse trolley assembly goes to the actual baling position values ​​on the left and right sides and performs the packaging of the positioning corner guards on the left and right sides through the PLC program and the transverse motor.

[0094] Among them, the origin of the X-axis is the middle position after the left and right pressure plates press the corner guards.

[0095] Example 18

[0096] The packaging method of the circumferential baler of the present invention determines the packaging length of the coil according to the middle position after the left and right pressure plates press the corner guards, and after the transverse trolley assembly packs the corner guards on both sides, it moves to the corresponding position for packaging according to packaging needs.

[0097] The advantages of the circumferential baler of the present invention are: 1. The two corner guard pressure plate assemblies are respectively installed on both sides of the packaged coil, which can realize the compression function of the left and right corner guards of the coil; 2. The two steel belt correction devices ensure that the steel belt accurately enters the groove in the middle of the corner guard during packaging without deviation or skew; 3. The corner guard pressure plate assembly transmits the position of the corner guard to the PLC of the baler, and the PLC transmits the position information to the transverse trolley assembly, ensuring that the transverse trolley assembly can accurately move to the position of the corner guard and perform packaging. Therefore, the present invention realizes the compression of the left and right corner guards and enables the left and right packaging steel belts to accurately enter the grooves in the center of the left and right corner guards, that is, realizes high-precision packaging, thereby ensuring the quality and appearance of the packaging. At the same time, the present invention can also ensure that the steel belt will not deviate or skew when packaging other positions of the coil.

Claims

1. A high-precision circumferential baler, characterized by: It comprises a column platform (1), a transverse trolley assembly (2), a corner protection pressure plate assembly (3), a movable belt track assembly (4), a lifting trolley assembly (5), and a steel belt deviation correcting device (6); the two corner protection pressure plate assemblies (3) are respectively installed on the left and right sides of the packaged coil and can compress the corner protection of the coil; the transverse trolley assembly (2) is installed on the column platform (1) and moves left and right along the column platform (1); the lifting trolley assembly (5) is connected to the transverse trolley assembly (2) and moves up and down along the transverse trolley assembly (2); the two movable belt track assemblies (4) are connected to the front and rear sides of the lower part of the transverse trolley assembly (2) and are used to control the opening and closing of the belt feeding belt track; the two steel belt deviation correcting devices (6) are respectively connected to the two movable belt track assemblies (4) and are used to limit the position of the packaging steel belt on the coil.

2. The circumferential baler according to claim 1, characterized in that: The column platform (1) comprises a column (11), a long crossbeam (12), a short crossbeam (13), a platform (14), and a rack (17); the column (11) is fixed on the foundation, the platform (14) is fixed on the four columns (11), two long crossbeams (12) and two short crossbeams (13) are symmetrically arranged on the inner side of the platform (14), and a rack (17) is arranged on one of the long crossbeams (12); the arrangement direction of the long crossbeam (12) is parallel to the length direction of the coil; the transverse trolley assembly (2) is connected to the rack (17).

3. The circumferential baler according to claim 2, characterized in that: The transverse trolley assembly (2) comprises a transverse motor (200), a trolley frame (201), a gear (215), a fixed beltway (205), and a chain assembly; the transverse motor (200) is fixedly connected to the middle plate of the upper crossbeam of the trolley frame (201), and the gear (215) on the transmission shaft thereof is meshed with the rack (17); the inner sides of the front and rear legs of the trolley frame (201) are respectively connected to the fixed beltway (205); and the chain assembly is connected to the trolley frame (201).

4. The circumferential baler according to claim 3, characterized in that: The chain assembly comprises a lifting motor (206), a driving sprocket (207), a driven sprocket (208), a transmission chain (209), a transmission shaft (210), a bearing seat (211), a sprocket (212), a chain (213), and a counterweight (214); the bearing seats (211) are fixed on the front and rear plates of the upper crossbeam of the large frame (201), and the two ends of the transmission shaft (210) are respectively connected to the bearings in the two bearing seats (211); the lifting motor (206) is fixed on the large frame (2 01) On the middle plate of the upper crossbeam, a driving sprocket (207) is installed on its transmission shaft, and a driven sprocket (208) is connected to the transmission shaft (210) and is connected to the driving sprocket (207) through a transmission chain (209); a sprocket (212) is connected to each end of the transmission shaft (210), and the sprocket (212) is located on the inner side of two bearing seats (211). A chain (213) is installed on the sprocket (212), and its two ends are respectively connected to a counterweight block (214) and a lifting trolley assembly (5).

5. The circumferential baler according to claim 3, characterized in that: The transverse trolley assembly (2) further comprises a proximity switch (216), which is arranged at the ends of the front and rear plates of the upper cross beam of the trolley frame (201).

6. The circumferential baler according to claim 1, characterized in that: The two corner protection pressure plate assemblies (3) are symmetrically arranged on the left and right sides. The corner protection pressure plate assembly (3) comprises a pressure plate base (31), a guide rail (32), a pressure plate (33), a roller assembly (34), a cylinder (35), a connecting bracket (36), and a laser rangefinder (37); the pressure plate base (31) is fixed on a foundation; the cylinder (35) and the two guide rails (32) are respectively fixed on the upper surface of the pressure plate base (31); the two guide rails (32) are located at the front and rear ends of the cylinder (35); the telescopic rod of the cylinder (35) is connected to the pressure plate (33) through the connecting bracket (36); the roller assembly (34) is installed below the front and rear ends of the pressure plate (33); the roller assembly (34) is located in the guide rail (32); and the laser rangefinder (37) is fixed on the upper surface of the pressure plate base (31).

7. The circumferential baler according to claim 4, characterized in that: The lifting trolley assembly (5) comprises a trolley (51), a packing head assembly (52), and a connecting rod (54); the packing head assembly (52) is fixed on the trolley (51), and connecting rods (54) are provided at both ends of the trolley (51), and the connecting rods (54) are connected to the chain (213).

8. The circumferential baler according to claim 3, characterized in that: Two movable beltway assemblies (4) are symmetrically arranged front and back, and each movable beltway assembly (4) comprises a bracket (41), a base (42), a linear guide rail (43), a beltway (44), and a cylinder (45); the cylinder (45) is arranged in the base (42), and its telescopic rod is connected to the beltway (44); the linear guide rail (43) is arranged in the base (42), and a slider at the bottom of the beltway (44) cooperates with the linear guide rail (43); the bracket (41) is fixed outside the base (42) and fixedly connected to the vehicle legs of the large vehicle frame (201); the linear guide rail (43) is located directly below the fixed beltway (205).

9. The circumferential baler according to claim 8, characterized in that: The two steel belt deviation correction components (6) are symmetrically arranged front and back, and each steel belt deviation correction component (6) includes a rotating base (61), a bearing (62), a rotating shaft (63), a cylinder mounting plate (64), a guide plate (65), a connecting plate (66), a hinge plate (67), and a cylinder (68); one end of the cylinder mounting plate (64) is fixedly connected to the base (42), and the other end is fixedly connected to the cylinder (68); the left and right guide plates (65) are sleeved on the outside of the base (42) and connected to form a whole through the connecting plate (66); the rotating base (61) is fixed to the bottom of the base (42), the two ends of the rotating shaft (63) are fixedly connected to the left and right guide plates (65), and the middle part is matched with the bearing (62) of the bearing mounting plate of the rotating base (61); the telescopic rod of the cylinder (68) is hinged to a guide plate (65) through the hinge plate (67).

10. A packaging method for a high-precision circumferential packaging machine, characterized by: Ⅰ. The coil falls onto the packaging station (corner guards have been installed on both ends of the coil), and the transverse trolley is at the initial position through the proximity switch; Ⅱ. The left and right cylinders respectively push the pressure plate toward the coil position to press the corner guards at both ends of the coil. Two laser rangefinders provide feedback and transmit the left and right position information of the coil to the PLC. This data is used as the travel distance of the transverse carriage assembly. Ⅲ. The transverse motor works to move the transverse carriage assembly to a packaging position (according to the data of a laser rangefinder transmitted from the PLC); IV. The front and rear cylinders push the belt track to move inward and close. At the same time, the front and rear cylinders push the guide plate to rotate and press it against the corner guard; V. Start feeding the strapping tape, and the strapping tape will wrap around the strapping track assembly once through the strapping head; Ⅵ. The lifting motor starts working, and the chain drives the lifting trolley assembly down until the strapping head contacts the upper surface of the coil. The strapping head reels in the strap and buckles it. At this time, the strapping tape enters the groove of the corner guard at one end. Ⅶ. Repeat the above step III to move the transverse trolley assembly to another packaging position (according to the data of another laser rangefinder transmitted by the PLC); repeat steps IV-VI, and the packaging tape enters the groove of the corner guard at the other end.

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