Strip-shaped material pulling and cutting device

Abstract

The invention relates to production equipment of strip-shaped materials, in particular to a strip-shaped material pulling and cutting device. The device comprises a frame formed by splicing metal profiles, a material frame is placed on one side of the frame, a feeding part used for guiding in a pipe belt is arranged in the frame, and the feeding part conveys the pipe belt to a positioning and cutting part; the feeding part comprises a feeding supporting plate fixed to the frame, and a first pressing wheel capable of ascending and descending and a first driving wheel capable of automatically rotating are installed on the feeding supporting plate. The positioning cutting part comprises a cutting support plate fixed on the frame, a second pressing wheel capable of horizontally moving and a second driving wheel capable of automatically rotating are arranged above the cutting support plate, two groups of cutters capable of synchronously moving inwards are arranged below the cutting support plate, and the cutters are used for cutting off the braided sleeve. The pulling and cutting device for the strip-shaped material provides a device for feeding, cutting and subsequent transferring of the braided sleeve, the material is taken from the material rack through pulling of the feeding part, and then the braided sleeve is cut by the positioning and cutting part, so that cutting of the braided sleeve is completed.

Description

Technical Field

[0001] The invention relates to production equipment for strip materials, in particular to a strip material pulling and cutting device. Background Art

[0002] Braided sleeves mainly refer to monofilament braided sleeves, multifilament braided sleeves, and single-multifilament braided tubes. They are a special braided sleeve made of polyethylene terephthalate and polyamide. They are widely used in various wire harnesses, hoses, nylon tubes, cable protection, as well as metal tubes and cable management.

[0003] After the initial production of the braided sleeve, it is a long strip of material. In order to facilitate storage, it will be rolled and stacked, and then cut into sections before leaving the factory. Conventional cutting is measured by a quantitative mold and then cut manually, which has low production efficiency. This requires a dedicated cutting production line for slitting operations.

[0004] In view of the above-mentioned defects, the designer actively conducts research and innovation in order to create a strip material pulling and cutting device to make it more valuable for industrial use. Summary of the invention

[0005] In order to solve the above technical problems, the purpose of the present invention is to provide a strip material pulling and cutting device.

[0006] The present invention discloses a strip material pulling and cutting device, comprising a frame formed by splicing metal profiles, a material rack is placed on one side of the frame, a feeding part for introducing the tube strip is arranged in the frame, and the feeding part conveys the tube strip to the positioning and cutting part; The feeding part comprises a feeding support plate fixed on the frame, and a first pressing wheel capable of lifting and lowering and a first driving wheel capable of rotating autonomously are mounted on the feeding support plate; The positioning cutting part includes a cutting support plate fixed on the frame, a second pressure wheel that can move horizontally and a second driving wheel that can rotate independently are arranged above the cutting support plate, and two sets of cutters that can move inward synchronously are arranged below the cutting support plate, and the cutters are used to cut the braided sleeve.

[0007] This strip material pulling and cutting device provides a device for the unwinding, cutting and subsequent transportation of the braided sleeve. The material is taken from the material rack through the pulling of the feed part, and then the positioning and cutting part performs the slitting operation to complete the cutting of the braided sleeve.

[0008] Furthermore, a first guide wheel and a second guide wheel are installed on the feed support plate on the side close to the material rack, the upper edge of the second guide wheel is at the same height as the upper edge of the first driving wheel, the first pressure wheel is fixedly connected to the telescopic rod of the first cylinder through the pressure wheel seat, and the first cylinder is fixed to the feed support plate through the first cylinder seat.

[0009] The first pressing wheel on the feed support plate is pressed onto the first driving wheel, and the first driving wheel is driven to rotate by the motor to provide power for the moving feeding of the pipe belt, thereby facilitating the feeding operation.

[0010] Furthermore, a first limiter is installed between the second guide wheel and the first driving wheel, and two mounting frames extending forward are fixed on the feed support plate, and a laser transmitter and a laser receiver are respectively fixed on the two mounting frames.

[0011] The first limiter limits the moving position of the pipe belt, and after the laser transmitter and the laser receiver are used in conjunction, they can monitor whether there is a cuttable pipe belt in the device and send out a corresponding control signal when there is no material.

[0012] Furthermore, a second cylinder is fixed on the cutting support plate through a second cylinder seat, the telescopic rod of the second cylinder is fixedly connected to the pressure wheel seat, a second pressure wheel is installed in the pressure wheel seat, and a second limiter and a third limiter are respectively provided on the upper and lower sides of the second pressure wheel.

[0013] The second pressing wheel presses the pipe belt against the second driving wheel, further providing power for the movement of the pipe belt, and facilitating the subsequent cutting operation on the pipe belt.

[0014] Furthermore, two guide rod supports arranged opposite to each other are fixed on the lower side of the cutting support plate, two parallel guide rods are fixed on the guide rod supports, two movable mounting seats are fixed on the guide rods through sliding sleeves, an electric heater is fixed on the upper end of the mounting seat, a cutting knife is fixed on the electric heater through a support rod extending forward, and a third cylinder is fixed on the guide rod support, which drives the mounting seat to move forward and backward.

[0015] The cutter is driven by the third cylinder to move, and the cutter is heatable, and its temperature is high, so when the pipe band is cut, the cutting can be completed faster, thereby improving the cutting efficiency.

[0016] Furthermore, a top block is fixed to the inner side of the mounting seat through a support rod, and the top block is located at the lower side of the cutter.

[0017] The top block can support the lower end of the pipe belt to avoid uneven incision due to the weight of the pipe belt during the cutting process.

[0018] Furthermore, the outer side of the mounting seat is covered with an air duct plate.

[0019] The air duct plate shields the mounting seat, and the rear side of the air duct plate can be connected to an exhaust mechanism to discharge the smoke generated by the cut-off.

[0020] Furthermore, on the frame on the upper side of the cutting support plate, from left to right, there are the third guide wheel, the fourth limiter, the fifth limiter and the fourth guide wheel. Two parallel limit guide posts are fixed on the frame between the first drive wheel and the third guide wheel. The inner side of the limit guide post is groove-shaped, and the lifting ring can be raised and lowered in the groove of the limit guide post.

[0021] The third guide wheel, the fourth limiter, the fifth limiter and the fourth guide wheel on the frame provide guidance and limitation for the movement of the pipe belt. The lifting ring in the limiting guide column provides the tension for tightening the pipe belt, so that the pipe belt is in a taut state, which is convenient for subsequent operations.

[0022] Furthermore, the first limiter, the second limiter, the third limiter, the fourth limiter and the fifth limiter have the same structure and all include end plates for fixing, with two horizontal plates extending forward on the end plates, the ends of the horizontal plates are vertical plates, and screws are movably installed on the end plates and the vertical plates through bearings, and the threaded sections on both sides of the screw are reverse threads, and two limit claws are inserted into the gap between the horizontal plates, and the tail ends of the limit claws cooperate with the screw.

[0023] The first limiter, the second limiter, the third limiter, the fourth limiter and the fifth limiter rotate through the screw rods inside them, driving the limit claws to move inward and outward synchronously, and are used to limit pipe belts of different widths to prevent the pipe belts from deviating.

[0024] Furthermore, a conveyor belt is installed at the bottom of the frame, and a plurality of material boxes are placed on the conveyor belt, one of the material boxes is located below the cutter, and an inclined unloading rack is provided at the rear end of the conveyor belt.

[0025] The conveyor belt at the bottom of the frame can be used to transfer the material box, and it is also convenient for the material box to be separated from the device, so as to facilitate the transfer of the material box.

[0026] By means of the above scheme, the present invention has at least the following advantages: A strip material pulling and cutting device has the following advantages: 1. Two sets of pressing wheels and driving wheels provide traction power for the movement of the pipe belt to achieve the purpose of automatic feeding; 2. Multiple stopper structures are installed to limit the relative position of the pipe belt, and pipe belts of various widths can be produced; 3. Use the lifting ring to provide the gravity of the fall and provide tension for the pipe belt to prevent the pipe belt from slipping off the guide wheels due to relaxation; 4. After the cutter is heated, the pipe strip can be cut more quickly; 5. The top block can provide clamping support for the pipe belt to avoid uneven cutting surface due to the weight of the pipe belt during cutting; 6. The air duct plate shields the cutting part, so that the smoke generated during the thermal cutting process is discharged by the exhaust mechanism to avoid polluting the cutting workshop; 7. The material box is located at the lower end of the cutter. The cut tube belt can automatically fall into the material box. The material box can be replaced at any time, which is convenient for the storage of finished products.

[0027] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show a certain embodiment of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a structural schematic diagram of the feeding part of the present invention; Figure 3 The structure diagram of the positioning and cutting part of the present invention is shown in FIG. Figure 1 ; Figure 4 The structure diagram of the positioning and cutting part of the present invention is shown in FIG. Figure 2 ; Figure 5 It is a structural schematic diagram of a positioning and cutting portion with an air duct plate of the present invention; Figure 6 It is a schematic diagram of the placement of the upper guide wheel, the limit seat and the bottom material box of the present invention; Figure 7 It is a schematic diagram of the limit seat mechanism of the present invention; In the figure, 1, frame, 2, material rack, 3, feed support plate, 4, first pressing wheel, 5, first driving wheel, 6, cutting support plate, 7, second pressing wheel, 8, second driving wheel, 9, cutter, 10, first guide wheel, 11, second guide wheel, 12, first cylinder, 13, first cylinder seat, 14, first stopper, 15, mounting frame, 16, second cylinder seat, 17, second cylinder, 18, second stopper, 19, third stopper, 20 , guide rod support, 21, guide rod, 22, mounting seat, 23, electric heater, 24, third cylinder, 25, top block, 26, air duct plate, 27, third guide wheel, 28, fourth limiter, 29, fifth limiter, 30, fourth guide wheel, 31, limiting guide column, 32, lifting ring, 33, end plate, 34, horizontal plate, 35, vertical plate, 36, screw, 37, limiting claw, 38, conveyor belt, 39, material box, 40, unloading rack. DETAILED DESCRIPTION

[0030] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] See also Figure 1-Figure 3 The strip material pulling and cutting device has a frame 1 which is formed by splicing a plurality of profiles, and its lower end is open. A material rack 2 is provided on one side of the frame 1. The material rack 2 and the material roll are supported by a support shaft so that the material roll can rotate on the material rack 2. After the material strip on the material roll is guided, it enters the feed part. The feed support plate 3 of the feed part is fixed on the frame 1. The first pressing wheel 4 on the feed support plate 3 is pressed against the first driving wheel 5 after moving downward to clamp the material strip. The first driving wheel 5 is driven by a motor (the motor is not shown in the figure). When the first driving wheel 5 rotates, it can drive the material strip to move.

[0032] After being transferred by the feeding part, the material belt is introduced into the positioning and cutting part. The cutting support plate 6 of the positioning and cutting part is fixedly installed with the frame 1. Similarly, the second pressure wheel 7 of the positioning and cutting part 6 moves down and clamps with the second driving wheel 8 to clamp the material belt. After the second starting wheel 8 is driven by the motor, the material belt can also be transferred to the position of the material belt conveyor cutter 9, and the two groups of cutters 9 move inward to complete the cutting of the material belt.

[0033] See also Figure 2 A first guide wheel 10 and a second guide wheel 11 are installed on the side wall of the feed support plate 3. The middle parts of the two guide wheels are concave structures, which can play an auxiliary limiting role in the transmission of the material belt. The two ends of the first pressing wheel 4 are mounting shafts, which are movably installed on the pressing wheel seat. The pressing wheel seat can be driven by the first cylinder 12 to perform lifting movements. The first pressing wheel 4 can be pressed tightly onto the first driving wheel 5. When the first driving wheel 5 rotates, it can drive the material belt to move to complete the feeding operation.

[0034] The second guide wheel 11 and the upper edge of the first driving wheel 5 are at the same height, so that the material belt can be in a horizontal state.

[0035] See also Figure 2 A first limiter 14 is provided on the feed support plate 3 between the second guide wheel 11 and the first driving wheel 5. The first limiter 14 can limit the position of the material belt to avoid the material belt from being deviated during the feeding operation.

[0036] The two mounting brackets 15 fixed on the feed support plate 3 are respectively fixed with a laser transmitter and a laser receiver. When there is a material belt, the laser beam emitted by the laser transmitter is blocked by the material belt, and the laser receiver cannot obtain the laser signal. At this time, it is judged that there is material in the device. When the material roll on the material rack 2 has completed the material discharge operation, the laser receiver obtains the laser signal. At this time, it is judged that material needs to be loaded, and the industrial computer controlling the device will process the relevant information and issue an alarm.

[0037] See also Figure 3 The second cylinder 17 on the cutting support plate 6 is fixed on the second cylinder seat 16. The second cylinder 17 drives the second pressing wheel 7 to move left and right through the pressing wheel seat. Both ends of the second pressing wheel 7 have raised mounting shafts, and the shafts and the pressing wheel seat are movably connected through bearings. After the material strip passes through the gap between the second pressing wheel 7 and the second driving wheel 8, the second cylinder 17 is started to make the second pressing wheel 7 press the material strip against the second driving wheel 8. The second driving wheel 8 is driven by a motor (the motor is not shown in the figure) to rotate, which can provide power for the material strip to move.

[0038] The second limiter 18 and the third limiter 19 located on the upper and lower sides of the second pressing wheel 7 also serve to assist in guiding and limiting the material strip, thereby facilitating the subsequent material strip cutting operation.

[0039] See also Figure 4 Two guide rod supports 20 arranged opposite to each other are fixed at the lower end of the cutting support plate 6, and a third cylinder 24 is fixed on the guide rod support 20. The third cylinder 24 can drive the mounting seat 22 installed on the guide rod 21 to move forward and backward. The guide rod 21 is installed between the two guide rod supports 20, and the electric heater 23 is fixed to the upper end of the mounting seat 22. The electric heater 23 can heat the cutter 9 connected by the support rod. The heated cutter 9 has a higher cutting efficiency for the material strip, and can efficiently and conveniently complete the cutting operation.

[0040] A top block 25 is also fixed on the mounting seat 22 by a support rod. The surface of the top block 25 is a contact block made of rubber. After the mounting seat 22 moves, the two top blocks 25 can contact each other. At this time, the material strip at the lower end of the cutter 9 is clamped and supported. The end face of the top block 25 should slightly exceed the top end of the cutter 9. Therefore, the top block 25 can contact first to clamp the material strip. Then the third cylinder 24 continues to move forward, and the rubber contact block is deformed. At this time, the cutter 9 is docked to complete the cutting operation of the material strip. The material strip is first pressed and supported by the top block 25 and then cut. During the cutting process, the weight of the lower end of the material strip will not affect the cut port, ensuring that the cut surface is smooth and tidy after cutting.

[0041] See also Figure 5A duct plate 26 that can cover the mounting seat 22 is fixed on the cutting support plate 6. An air duct opening is opened on the cutting support plate 6. The exhaust mechanism draws air outward through the air duct opening, so that the air in the duct plate 26 is discharged outward through the air duct opening. At this time, the smoke generated by the high-temperature cutter 9 during the cutting process can be discharged from the device, keeping the device clean and tidy.

[0042] See also Figure 6 The third guide wheel 27, the fourth limiter 28, the fifth limiter 29 and the fourth guide wheel 30 installed on the frame 1 play a role in guiding and moving the material belt, which is convenient for the movement of the material belt. There are two vertical limit knife seats 31 in the middle of the frame 1. The material belt passes through the hanging ring 32. The hanging ring 32 falls downward under its own gravity to provide tension compensation for the material belt, so as to avoid the material belt slipping due to insufficient tension when the material belt is transferred.

[0043] See also Figure 7 , providing a structural form for the first limiter 14, the second limiter 18, the third limiter 19, the fourth limiter 28 and the fifth limiter 29, all of which are fixed to the frame 1 or the feed support plate 3 or the cutting support plate 6 through the end plate 33, and there are two parallel transverse plates 34 on the end plate 33, and there is a gap between the transverse plates 34, and two limiting claws 37 are inserted into the gap, and there are screw holes at the tail ends of the limiting claws 37, and the limiting claws 37 are put on the screw rod 36, and the screw rod 36 uses the center as the dividing line, and the threads at both ends are set in opposite directions, so when the screw rod 36 is rotated, the limiting claws 37 move inward / outward synchronously, so that the width between the limiting claws 37 can be adjusted, which is used to limit the material strips of different widths.

[0044] See also Figure 1 and Figure 6 The lower end of the frame 1 is open, and the material box 39 can be inserted into the opening from the outside to the inside. The material box 39 is placed on the conveyor belt 38. There is an oblique unloading rack 40 on the outside of the frame 1. The high side of the unloading rack 40 is at the same height as the conveyor belt 38. After a material box 39 is filled with materials, the conveyor belt 38 is started to move the material box 39 to the right ( Figure 6 The material box 39 is moved to the unloading rack 40. At this time, another material box 39 on the conveyor belt 38 is located below the cutter 9 and can receive the cut material. The empty material box 39 can be placed in the vacant position on the conveyor belt 38, and the cycle is repeated.

[0045] The working principle of the present invention is as follows: When the strip material pulling and cutting device is used, the material roll is placed on the material rack 2, and the first pressing wheel 4 and the second pressing wheel 7 are respectively away from the first driving wheel 5 and the second driving wheel 8, and the material roll is manually pulled out. Figure 6The material strip is placed and guided in the manner shown in the figure. At this time, the first pressing wheel 4 and the second pressing wheel 7 move down and press on the first driving wheel 5 and the second driving wheel 8. The first driving wheel 5 and the second driving wheel 8 are moved by the same stepping motor. The rotation time and the number of revolutions of the first driving wheel 5 and the second driving wheel 8 are controlled by the industrial computer of the device. The circumference of the first driving wheel 5 and the second driving wheel 8 is known. Therefore, when the number of revolutions of the first driving wheel 5 and the second driving wheel 8 is determined, the moving length of the material strip can be known. Before the cutting preparation, the end of the material strip is extended beyond the lower edge of the cutting knife 9. At this time, the first knife cutting is performed to cut off the waste material at the end. Subsequently, the first driving wheel 5 and the second driving wheel 8 are cut in sequence after each rotation of a fixed number of revolutions, so that the material strip of equal length can be cut.

[0046] During the cutting process, the third cylinder 24 drives the top block 25 and the cutter 9 to move inward. The rubber block inside the top block 25 is relatively protruding. The top block 25 first contacts and then clamps and supports the lower end of the material strip. After the cutter 9 is heated by the electric heater 23, the temperature of the cutter 9 is increased, and the cutter 9 contacts the material strip to quickly complete the cutting.

[0047] After cutting, the third cylinder 24 drives the top block 25 and the cutter 9 to reset. After the top block 25 is separated, the material belt loses its support and naturally falls into the material box 39 below. When the material box 39 is full, the conveyor belt 38 is started to transfer the full material box 39 to the unloading rack 40, and the material box 39 on the rear side of the conveyor belt 38 enters the material receiving station, and then an empty material box 39 is placed on the vacant station, and the cycle continues.

[0048] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change; Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A strip material pulling and cutting device, comprising a frame (1) formed by splicing metal profiles, characterized in that: A material rack (2) is placed on one side of the frame (1), and a feeding section for introducing the tube strip is provided in the frame (1), and the feeding section transports the tube strip to the positioning and cutting section; The feeding part comprises a feeding support plate (3) fixed on the frame (1), and a first pressing wheel (4) which can be raised and lowered and a first driving wheel (5) which can rotate autonomously are mounted on the feeding support plate (3); The positioning cutting section comprises a cutting support plate (6) fixed on the frame (1); a second pressure wheel (7) which can be moved horizontally and a second driving wheel (8) which can rotate autonomously are provided above the cutting support plate (6); and two groups of cutting knives (9) which can be moved inward synchronously are provided below the cutting support plate (6); the cutting knives (9) are used for cutting the braided sleeve.

2. The strip material pulling and cutting device according to claim 1, characterized in that: A first guide wheel (10) and a second guide wheel (11) are mounted on the feed support plate (3) on a side close to the material rack (2); an upper edge of the second guide wheel (11) is at the same height as an upper edge of the first drive wheel (5); a first pressing wheel (4) is fixedly connected to a telescopic rod of a first cylinder (12) via a pressing wheel seat; and the first cylinder (12) is fixed to the feed support plate (3) via a first cylinder seat (13).

3. The strip material pulling and cutting device according to claim 2, characterized in that: A first stopper (14) is installed between the second guide wheel (11) and the first drive wheel (5), and two mounting frames (15) extending forward are fixed on the feed support plate (3), and a laser transmitter and a laser receiver are respectively fixed on the two mounting frames (15).

4. The strip material pulling and cutting device according to claim 1, characterized in that: A second cylinder (17) is fixed on the cutting support plate (6) via a second cylinder seat (16); a telescopic rod of the second cylinder (17) is fixedly connected to a pressing wheel seat; a second pressing wheel (7) is installed in the pressing wheel seat; and a second stopper (18) and a third stopper (19) are respectively provided on the upper and lower sides of the second pressing wheel (7).

5. The strip material pulling and cutting device according to claim 4, characterized in that: Two guide rod supports (20) arranged opposite to each other are fixed on the lower side of the cutting support plate (6), two parallel guide rods (21) are fixed on the guide rod supports (20), two movable mounting seats (22) are fixed on the guide rods (21) via sliding sleeves, an electric heater (23) is fixed on the upper end of the mounting seat (22), a cutting knife (9) is fixed on the electric heater (23) via a support rod extending forward, and a third cylinder (24) is fixed on the guide rod support (20), and the third cylinder (24) drives the mounting seat (22) to move forward and backward.

6. The strip material pulling and cutting device according to claim 5, characterized in that: A top block (25) is also fixed to the inner side of the mounting seat (22) via a support rod, and the top block (25) is located at the lower side of the cutter (9).

7. The strip material pulling and cutting device according to claim 6, characterized in that: The outer side of the mounting seat (22) is covered with an air duct plate (26).

8. The strip material pulling and cutting device according to claim 7, characterized in that: On the frame (1) on the upper side of the cutting support plate (6), from left to right, there are a third guide wheel (27), a fourth stopper (28), a fifth stopper (29) and a fourth guide wheel (30). Two parallel limit guide posts (31) are fixed on the frame (1) between the first driving wheel (5) and the third guide wheel (27). The inner side of the limit guide post (31) is groove-shaped, and the lifting ring (32) can be lifted and moved in the groove of the limit guide post (31).

9. A strip material pulling and cutting device according to claim 3, 4 or 8, characterized in that: The first stopper (14), the second stopper (18), the third stopper (19), the fourth stopper (28) and the fifth stopper (29) have the same structure and all include an end plate (33) for fixing. The end plate (33) has two transverse plates (34) extending forward. The ends of the transverse plates (34) are vertical plates (35). Screws (36) are movably mounted on the end plates (33) and the vertical plates (35) through bearings. The threaded sections on both sides of the screw (36) are reverse threads. Two limit claws (37) are inserted into the gap between the transverse plates (34). The tail ends of the limit claws (37) cooperate with the screw (36).

10. The strip material pulling and cutting device according to claim 9, characterized in that: A conveyor belt (38) is installed at the bottom of the frame (1), and a plurality of material boxes (39) are placed on the conveyor belt (38), one of the material boxes (39) is located below the cutter (9), and an inclined discharge rack (40) is provided at the rear end of the conveyor belt (38).

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