阅读说明：本技术 具有自动理料功能的竹篾分切机 (Bamboo strip splitting machine with automatic material arranging function ) 是由 俞建林 傅鹰 袁军 开浩 刘国文 于 2020-07-02 设计创作，主要内容包括：本发明公开了一种具有自动理料功能的竹篾分切机,设置有分切机构,其特点是：分切机构的后道还设置有理料机构,分切机构与理料机构电连接,理料机构包括理料机架、动力部件、夹持部件、导向张开装置和接料部件,动力部件、夹持部件、接料部件均安装在理料机架上,接料部件位于夹持部件的正下方,导向张开装置安装在夹持部件上,动力部件带动夹持部件中的夹料组件转动或往复移动,当夹料组件经过导向张开装置时,夹料组件张开,夹持部件在运动过程中对分切后的竹篾编织物依次循环进行夹持、输送、落料至接料部件上。本发明分切效果优良且稳定,分切后的竹篾条能自动整理堆叠。(The invention discloses a bamboo strip splitting machine with an automatic material arranging function, which is provided with a splitting mechanism and is characterized in that: the back of cutting mechanism still is provided with reason material mechanism, cut the mechanism and manage the material mechanism electricity and be connected, reason material mechanism is including reason material frame, power part, hold assembly, the direction opens the device and connect the material part, power part, hold assembly, connect the material part and all install in reason material frame, connect the material part to be located hold assembly under, the direction opens the device and installs on hold assembly, power part drives the double-layered material subassembly rotation or reciprocating motion among the hold assembly, when pressing from both sides the material subassembly when the direction opens the device, press from both sides the material subassembly and open, hold, carry, the blanking to connect the material part to the bamboo thin bamboo strips used for weaving knitting after cutting in proper order circulation in the motion process in the hold assembly, carry, the blanking. The invention has good and stable cutting effect, and the cut bamboo strips can be automatically arranged and stacked.)

1. The utility model provides a thin bamboo strips used for weaving cutting machine with automatic reason material function is provided with and cuts the mechanism, cuts the mechanism including cutting frame, pay-off compression roller subassembly, cutting tool assembly, cuts the direction of advance that has set gradually pay-off compression roller subassembly and cutting tool assembly according to thin bamboo strips used for weaving fabric in the frame, its characterized in that: the back of cutting mechanism still is provided with reason material mechanism, cut the mechanism and manage the material mechanism electricity and be connected, reason material mechanism is including reason material frame, power part, hold assembly, the direction opens the device and connect the material part, power part, hold assembly, connect the material part and all install in reason material frame, connect the material part to be located hold assembly under, the direction opens the device and installs on hold assembly, power part drives the double-layered material subassembly rotation or reciprocating motion among the hold assembly, when pressing from both sides the material subassembly when the direction opens the device, press from both sides the material subassembly and open, hold, carry, the blanking to connect the material part to the bamboo thin bamboo strips used for weaving knitting after cutting in proper order circulation in the motion process in the hold assembly, carry, the blanking.

2. The bamboo skin splitting machine with the automatic material arranging function according to claim 1, characterized in that: the power part for reason material motor, the holder part is chain circulation holder part, including the chain, spacing mounting panel, the transmission gear subassembly, press from both sides the material subassembly, spacing mounting panel sets up in reason material frame, be provided with the spacing groove on the spacing mounting panel, still be provided with the direction on the spacing mounting panel and open the device, the spacing groove opens the device with the direction and forms annular channel, reason material motor is connected with the transmission gear subassembly, the transmission gear subassembly meshes the transmission with the chain, press from both sides the material subassembly and fix on the chain and drive along annular channel circulation rotation by the chain, when pressing from both sides the material subassembly and turn to the direction and open the device, it opens to press from both sides the material subassembly.

3. The bamboo skin splitting machine with the automatic material arranging function according to claim 1, characterized in that: the power part be the cylinder, the clamping part is the reciprocal clamping part of connecting rod, including spacing mounting panel, the movable connecting rod, press from both sides the material subassembly, spacing mounting panel sets up in the reason material frame, be provided with the spacing groove on the spacing mounting panel, still be provided with the direction on the spacing mounting panel and open the device, the cylinder passes through the installation even board to be fixed on spacing mounting panel, the cylinder expansion end is connected with the one end of movable connecting rod, the other end and the clamp material subassembly of movable connecting rod are connected, press from both sides material subassembly and spacing groove sliding fit, when pressing from both sides the material subassembly and remove the direction and open the device, it opens to press from both.

4. The bamboo skin splitting machine with the automatic material arranging function according to claim 1, characterized in that: the slitting mechanism is characterized in that a baffle is further arranged between the feeding compression roller assembly and the slitting cutter assembly, the baffle is connected with the lifting cylinder, an axial spring is coaxially arranged on one side of each lower blade in the slitting cutter assembly, and the lower blades are jacked by the axial springs.

5. The bamboo skin splitting machine with the automatic material arranging function according to claim 1, characterized in that: the material receiving component comprises an upper limit switch, a lower limit switch, a photoelectric switch, a material receiving platform, a power device and a lifting device, wherein the upper limit switch and the lower limit switch and the photoelectric switch are arranged on a stand column of the material arranging rack, the material receiving platform is arranged under the chain type circulating clamping component and is connected with the lifting device, and the lifting device is connected with the power device.

6. The bamboo skin splitting machine with the automatic material arranging function according to claim 2, characterized in that: the chain circulation hold assembly in spacing mounting panel have two, the symmetry sets up the both sides at the reason material frame, it has spacing groove to open on the spacing mounting panel, the drive gear subassembly includes the main shaft, action wheel and follow driving wheel, the main shaft both ends are fixed with an action wheel respectively, two action wheels rotate the one end that sets up at two spacing mounting panels respectively, the other end of two spacing mounting panels rotates respectively and is provided with from the driving wheel, action wheel on every spacing mounting panel and from assembling a chain between the driving wheel, the action wheel of motor drive main shaft one end, make two action wheels linkage through the main shaft, action wheel and from driving wheel between through the chain meshing transmission.

7. The bamboo skin splitting machine with the automatic material arranging function according to claim 2, characterized in that: the clamping assembly comprises two strip-shaped clamping plates which are arranged from top to bottom, the two ends of each clamping plate are respectively provided with a fixing plate, one ends of the upper fixing plate and the lower fixing plate, which are positioned at the same ends of the clamping plates, are rotatably connected, the other ends of the clamping plates are connected through springs, pulleys are rotatably arranged on each fixing plate, the fixing plates at the two ends of each clamping plate are fixedly connected with a chain through an L-shaped plate arranged on the fixing plates, the sizes of the pulleys are matched with the width of a limiting groove on the limiting mounting plate.

8. The bamboo skin splitting machine with the automatic material arranging function of claim 7, which is characterized in that: the two ends of the two groups of material clamping assemblies are fixed on the chain respectively, and when the chain drives the two groups of material clamping assemblies to rotate circularly along the limiting grooves, the moving directions of the two groups of material clamping assemblies in the horizontal direction are opposite.

9. The bamboo skin splitting machine with the automatic material arranging function according to claim 2, characterized in that: the guide opening device comprises a feeding opening device and a discharging opening device, the feeding opening device comprises two ends which are symmetrically arranged on two limit mounting plates, each feeding opening device comprises two arc bent plates with different radiuses and an irregular arc bent plate, the two arc bent plates are concentrically arranged, the ends of the two arc bent plates are respectively connected with limit grooves on the limit mounting plates, a bent groove formed between the two arc bent plates is communicated with the limit grooves, one end of the irregular arc bent plate is connected with the outer surface of the arc bent plate with the larger radius, and the other end of the irregular arc bent plate is connected with the outer surface of the limit groove; the two discharging opening devices are symmetrically arranged at the middle rear parts of the two limiting mounting plates and close to the material arranging rack, and the discharging opening devices are fixed on the outer surfaces of the limiting grooves and protrude downwards.

10. The bamboo skin splitting machine with the automatic material arranging function according to claim 2, characterized in that: the slitting mechanism in still be provided with direction pay-off board subassembly, direction pay-off board subassembly includes telescopic cylinder, movable rod, U-shaped connecting rod and direction pay-off board, telescopic cylinder fixes in cutting the frame, the U-shaped connecting rod middle-end rotates to be set up in cutting the frame, telescopic cylinder's flexible end is connected with movable rod one end, the movable rod other end rotates with the one end of U-shaped connecting rod to be connected, the other end U-shaped part of U-shaped connecting rod is fixed with the direction pay-off board.

Technical Field

The invention relates to the field of bamboo product processing machinery.

The bamboo thin bamboo strip woven fabric is formed by weaving a plurality of warp threads in the warp direction according to different widths, wherein a plurality of bamboo thin bamboo strips are arranged in the weft direction. The width of the manufactured bamboo strip woven fabric in the weft direction, namely the width of the bamboo strip woven fabric is limited by the maximum value, and the width cannot be unlimited, and the width of the bamboo strip woven fabric produced at present is generally 1.9 m. The warp-wise length of the bamboo skin braided fabric is increased along with the continuous feeding of a single bamboo skin, and theoretically, the warp-wise length can be infinitely prolonged. Two subsequent cutting modes are provided, the first mode is to cut the continuous long bamboo strip woven fabric along the longitudinal direction of the continuous long bamboo strip woven fabric, the width of the cut bamboo strip woven fabric is narrowed, but the length direction is continuous, so that the continuous long bamboo strip woven fabric can be directly rolled, and the axial bamboo strip roll is an axial bamboo strip roll. The second mode is that the continuous long thin bamboo strip braided fabric is cut to a fixed length to form thin bamboo strip pieces with certain specifications, then the thin bamboo strip pieces are cut along the weft direction of the thin bamboo strip pieces to form a plurality of thin bamboo strip strips, and then the thin bamboo strip pieces are lapped and wound into a roll in an end-to-end mode, namely the circumferential thin bamboo strip roll. The axial bamboo split roll and the circumferential bamboo split roll are matched for use, and are wound, bonded and cured layer by layer to manufacture bamboo winding products such as bamboo winding pipelines and the like.

The cutting of the invention refers to the second mode, and the invention is a bamboo split cutting machine with an automatic material arranging function, which is used for cutting bamboo splits and automatically arranging the cut bamboo splits in order in the production process of the annular bamboo split roll.

Background

The patent No. 201821971054.2, chinese patent with the patent name "a cutting device in a thin bamboo strip roll processing equipment" discloses a cutting device for making a circumferential thin bamboo strip roll. After passing through the cutting device, the bamboo splits are cut into a plurality of bamboo splits. At present, the bamboo skin strips after being cut are manually collected by workers and then stacked and tidily arranged. The processing mode has high labor intensity and low labor efficiency, and is not beneficial to large-scale flow line manufacturing of the bamboo split roll. In the slitting device disclosed in the above patent, a plurality of cutters are in one-to-one correspondence from top to bottom, and in order to ensure the slitting effect, the back surfaces of the upper cutters and the lower cutters need to be in contact with each other and are approximately arranged on the same horizontal plane. After long-time use, the positions of the upper and lower blades can be slightly changed, and the upper and lower blades cannot be tightly attached to influence the slitting effect.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects in the prior art and provide the bamboo skin splitting machine which has the automatic material arranging function, has excellent and stable splitting effect, and can automatically arrange and stack the split bamboo skin strips.

The technical scheme adopted by the invention for solving the technical problems is as follows: this thin bamboo strips used for weaving cutting machine with automatic reason material function is provided with cuts the mechanism, cuts the mechanism including cutting frame, pay-off compression roller subassembly, cutting cutter unit spare, cuts and has set gradually pay-off compression roller subassembly and cutting cutter unit spare according to the direction of advance of thin bamboo strips used for weaving article in the frame, and its characteristics are: the back of cutting mechanism still is provided with reason material mechanism, cut the mechanism and manage the material mechanism electricity and be connected, reason material mechanism is including reason material frame, power part, hold assembly, the direction opens the device and connect the material part, power part, hold assembly, connect the material part and all install in reason material frame, connect the material part to be located hold assembly under, the direction opens the device and installs on hold assembly, power part drives the double-layered material subassembly rotation or reciprocating motion among the hold assembly, when pressing from both sides the material subassembly when the direction opens the device, press from both sides the material subassembly and open, hold, carry, the blanking to connect the material part to the bamboo thin bamboo strips used for weaving knitting after cutting in proper order circulation in the motion process in the hold assembly, carry, the blanking. The splitting mechanism is electrically connected with the material arranging mechanism, so that automatic control and assembly line operation are realized. The bamboo strips after being cut by the cutting mechanism enter the material arranging mechanism, are clamped and conveyed by the material arranging mechanism, are blanked onto the material receiving component, and circularly work according to the sequence. Because the position of blanking every time is the same, the bamboo skin strips can be orderly and automatically stacked on the material receiving component. The labor intensity is reduced, the labor efficiency is improved, and the production cost is reduced.

The power part is a material arranging motor, the clamping part is a chain type circulating clamping part and comprises a chain, a limiting mounting plate, a transmission gear assembly and a clamping assembly, the limiting mounting plate is arranged on a material arranging rack, a limiting groove is formed in the limiting mounting plate, a guiding and opening device is further arranged on the limiting mounting plate, the limiting groove and the guiding and opening device form an annular channel, the material arranging motor is connected with the transmission gear assembly, the transmission gear assembly is in meshing transmission with the chain, the clamping assembly is fixed on the chain and driven by the chain to rotate circularly along the annular channel, and when the clamping assembly rotates to the guiding and opening device, the clamping assembly is opened. The material arranging motor and the chain type circulating clamping component are adopted, so that the labor efficiency is high, the structure is stable and reliable, and the manufacturing cost is lower.

The power component is an air cylinder, the clamping component is a connecting rod reciprocating clamping component and comprises a limiting mounting plate, a movable connecting rod and a clamping component, the limiting mounting plate is arranged on a material arranging rack, a limiting groove is formed in the limiting mounting plate, a guiding opening device is further arranged on the limiting mounting plate, the air cylinder is fixed on the limiting mounting plate through a mounting connecting plate, the movable end of the air cylinder is connected with one end of the movable connecting rod, the other end of the movable connecting rod is connected with the clamping component, the clamping component is in sliding fit with the limiting groove, and when the clamping component moves to the guiding opening device, the clamping component is opened. The structure of the cylinder and the movable connecting rod is adopted, and the structure is simple.

In the slitting mechanism, a baffle is also arranged between the feeding compression roller assembly and the slitting cutter assembly, the baffle is connected with the lifting cylinder, an axial spring is coaxially arranged on one side of each lower blade in the slitting cutter assembly, and the lower blades are pressed by the axial springs. The baffle passes through lift cylinder control and goes up and down, and when it descends, the bamboo thin bamboo strips used for weaving piece through the feeding compression roller subassembly feeding supports the baffle for the whole piece of bamboo thin bamboo strips used for weaving piece of feeding aligns the synchronous feeding in back, is favorable to the automatic reason material after cutting. The axial spring coaxially arranged beside each lower blade provides an axial force to the lower blade to prop against the lower blade, so that the lower blade can always keep a state of being tightly attached to the upper blade in the working process, and the slitting is facilitated.

The material receiving part comprises an upper limit switch, a lower limit switch, a photoelectric switch, a material receiving platform, a power device and a lifting device, wherein the upper limit switch, the lower limit switch and the photoelectric switch are arranged on a stand column of a material arranging rack, the material receiving platform is arranged right below a chain type circulating clamping part, the material receiving platform is connected with the lifting device, and the lifting device is connected with the power device. The photoelectric switch senses that the bamboo strips fall down, the power device drives the lifting device, the lifting device drives the material receiving platform to descend, and when the material receiving platform triggers the lower limit switch, the bamboo strips on the material receiving platform are taken away manually. The lifting device drives the material receiving platform to ascend until the material receiving platform stops after triggering the upper limit switch, and then the working process is circulated.

The chain type circulating clamping component comprises two limiting mounting plates which are symmetrically arranged on two sides of a material arranging rack, limiting grooves are formed in the limiting mounting plates, a transmission gear assembly comprises a main shaft, a driving wheel and a driven wheel, the two ends of the main shaft are respectively fixed with the driving wheel, the two driving wheels are respectively rotatably arranged at one end of the two limiting mounting plates, the other end of each limiting mounting plate is respectively rotatably provided with the driven wheel, a chain is assembled between the driving wheel and the driven wheel on each limiting mounting plate, a motor drives the driving wheel at one end of the main shaft to enable the two driving wheels to be linked through the main shaft, and the driving wheels and the driven wheels are in meshing transmission through. The invention is driven by the chain, the main shaft and the gear assembly, has simple structure, reliable transmission, lower cost and low requirement on workshop environment and is suitable for industrialized popularization.

The material clamping assembly comprises two strip-shaped clamping plates which are arranged up and down, wherein two ends of each clamping plate are respectively provided with a fixing plate, one ends of the upper fixing plate and the lower fixing plate which are positioned at the same end of each clamping plate are rotatably connected, the other ends of the upper fixing plate and the lower fixing plate are connected through springs, each fixing plate is rotatably provided with a pulley, the fixing plates at two ends of one clamping plate are fixedly connected with a chain through an L-shaped plate arranged on the fixing plates, the size of each pulley is matched with the width of a limiting groove on a limiting mounting. The whole clamping assembly is an elongated clamp which is normally kept in a closed state. The length of splint is greater than the whole width of the thin bamboo strips used for weaving piece that the front track was cut to guarantee that all thin bamboo strips used for weaving after cutting can both be cliied. The preferred cross-section of splint is flat oval shape, can also add on the contact surface of splint and thin bamboo strips used for weaving strip and establish anti-skidding material, increases the stability of centre gripping.

The material clamping device is provided with two groups of material clamping components, two ends of each group of material clamping components are respectively fixed on the chain, and when the chain drives the two groups of material clamping components to circularly rotate along the limiting grooves, the movement directions of the two groups of material clamping components in the horizontal direction are opposite. Set up two sets of clamping components for another group's clamping component begins centre gripping bamboo thin bamboo strips used for weaving strip when a set of clamping component accomplishes centre gripping work gyration, has further improved labor efficiency.

The guide opening device comprises a feeding opening device and a discharging opening device, wherein the feeding opening device is provided with two ends which are symmetrically arranged at two limit mounting plates, each feeding opening device comprises two arc bent plates with different radiuses and an irregular arc bent plate, the two arc bent plates are concentrically arranged, the ends of the two arc bent plates are respectively connected with limit grooves on the limit mounting plates, a bent groove formed between the two arc bent plates is communicated with the limit grooves, one end of the irregular arc bent plate is connected with the outer surface of the arc bent plate with the larger radius, and the other end of the irregular arc bent plate is connected with the outer surface of the limit groove; the two discharging opening devices are symmetrically arranged at the middle rear parts of the two limiting mounting plates and close to the material arranging rack, and the discharging opening devices are fixed on the outer surfaces of the limiting grooves and protrude downwards. The curved groove and the limiting groove are communicated to form an annular channel, a pulley on one clamping plate in the clamping assembly slides along the inner wall of the annular channel, a pulley on the other clamping plate slides along the outer wall of the annular channel, the maximum distance between the irregular arc-shaped bent plate and the semi-value large arc-shaped bent plate is larger than the minimum wheel center distance between the pulleys on the two clamping plates, and the upper clamping plate and the lower clamping plate are opened when the clamping assembly passes through the feeding opening device. Generally speaking the biggest that above-mentioned maximum distance can set up is some more, and what splint opened like this is bigger, and the thin bamboo strips for weaving strip feeding and follow-up centre gripping are carried of being convenient for. When pressing from both sides material subassembly centre gripping thin bamboo strips used for weaving strip and moving rear portion in the frame, this thin bamboo strips used for weaving strip has left the cutting mechanism of front road completely, and the ejection of compact opens the device and can make punch holder open, originally by the thin bamboo strips used for weaving strip of centre gripping drop naturally on the material receiving part of below. Because the positions of the bamboo splits after being clamped and conveyed are consistent each time, the bamboo splits on the material receiving component are basically arranged and stacked orderly.

The slitting mechanism is also provided with a guide feeding plate assembly, the guide feeding plate assembly comprises a telescopic cylinder, a movable rod, a U-shaped connecting rod and a guide feeding plate, the telescopic cylinder is fixed on the slitting rack, the middle end of the U-shaped connecting rod is rotatably arranged on the slitting rack, the telescopic end of the telescopic cylinder is connected with one end of the movable rod, the other end of the movable rod is rotatably connected with one end of the U-shaped connecting rod, and the U-shaped part of the other end of the U-shaped connecting rod is fixed with the guide feeding plate. The bamboo thin bamboo strips are supported by the guide feeding plate, so that the bamboo thin bamboo strips cut by the cutting tool assembly can be accurately clamped by the material clamping assembly in the material arranging mechanism. Because the material clamping assembly rotates in a circulating manner, in order to avoid interference, the guide feeding plate can be driven to move upwards or descend by the telescopic cylinder according to different positions of the material clamping assembly.

Compared with the prior art, the invention has the following advantages:

1. baffle in the cutting mechanism makes the pan feeding cut behind thin bamboo strips piece one end parallel and level for blade all the time keeps hugging closely about every group of cutting, has avoided cutting the in-process and has pushed forward the silk phenomenon, and cuts the thin bamboo strips strip one end of back ejection of compact and flush, can be accurate send into back reason material mechanism under the effect of direction feed plate.

2. The material arranging mechanism adopts circulating clamping feeding, the structure is simple, the labor efficiency is greatly improved, and the production cost is reduced.

3. The guide opening device in the material arranging mechanism can be opened when passing through the guide opening device by changing the distance between the pulleys in the material clamping assembly and matching the springs on two sides of the clamping plate. The problem of fixed-point opening of the clamping plate is solved by adopting a mechanical structure, an additional power source is not required to be added, and the structure is simple and ingenious.

4. The long banding splint in the reason material mechanism can be stable the centre gripping all thin bamboo strips used for weaving strips of good cutting, carry one section distance after open the blanking to connect the material part in same position. Connect the photoelectric switch perception on the material receiving part to connect the material receiving platform of material receiving part to corresponding decline after the blanking, above-mentioned structure guarantees to be carried the bamboo thin bamboo strips used for weaving strip that comes at every turn by the centre gripping and can stack neatly of one deck.

5. When the lower limit switch in the material receiving component is triggered, a worker is reminded that the bamboo strips on the material receiving platform are full, and the worker only needs to take away the arranged bamboo strips. The whole arrangement process machine of the bamboo split strips after cutting is automatically completed.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a dividing mechanism according to an embodiment of the invention.

Fig. 3 is a bottom view of a slitting mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an initial state of a material sorting mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a working state of a material arranging mechanism according to an embodiment of the invention.

Fig. 6 is a schematic structural diagram of a clamping assembly according to an embodiment of the invention.

Fig. 7 is a schematic view of a feed spreader device according to an embodiment of the present invention (the chain is omitted for clarity).

Fig. 8 is a schematic structural view of a discharge opening device according to an embodiment of the present invention (the chain is omitted for clarity).

Fig. 9 is a schematic structural view of a clamping member in a second material sorting mechanism according to an embodiment of the invention.

The figures are numbered as follows: the cutting mechanism I and the material arranging mechanism II are arranged in parallel; the slitting machine comprises a slitting rack I-1, a feeding compression roller component I-2, a slitting cutter component I-3, an axial spring I-31, a lower blade I-32, a baffle I-4, a lifting cylinder I-41, a guide feeding plate component I-5, a telescopic cylinder I-51, a movable rod I-52, a U-shaped connecting rod I-53, a guide feeding plate I-54 and a conveying roller component I-6; the material arranging machine comprises a material arranging rack II-1, a material arranging motor II-2, a chain type circulating clamping component II-3, a guiding opening device II-4 and a material receiving component II-5. A chain II-31, a limit mounting plate II-32, a transmission gear assembly II-33, a material clamping assembly II-34 and a limit groove II-36. A main shaft II-331, a driving wheel II-332 and a driven wheel II-333. A clamping plate II-341, a fixing plate II-342, a spring II-343, a pulley II-344 and an L-shaped plate II-345. A feeding opening device II-41 and a discharging opening device II-42. Arc bent plates II-411 and II-412 with different radiuses and irregular arc bent plates II-413. The device comprises an upper limit switch II-51, a lower limit switch II-53, a material receiving platform II-53, a lifting device II-55, an air cylinder II-6, a mounting connecting plate II-61, a connecting rod reciprocating clamping component II-7, a limit mounting plate II-71, a movable connecting rod II-72, a material clamping component II-73, a limit groove II-74, a guide opening device II-8, a feeding opening device II-81 and a discharging opening device II-82.

Detailed Description