Channel machine

Abstract

The utility model relates to a channel machine, belongs to the technical field of channel machines, and solves the technical problem that an external environment interference signal can pass through a door slot to interfere with a reading module in the channel machine at present. The channel machine comprises a machine body, a reading module, a driving rod, a first driving belt and a first shielding door, wherein the machine body is provided with a feeding hole for conveying a tray to a detection space; the reading module is mounted on the machine body; the driving rod is rotationally mounted on the machine body; the first driving belt is mounted at any end of the driving rod, and the first driving belt comprises two first bent sections and two first linear sections so as to drive the two first linear sections of the first driving belt to move reversely; the two first shielding doors are installed on the two first straight line sections of the first driving belt correspondingly. Therefore, according to the channel machine, the two shielding doors move oppositely and abut against each other, external interference signals are effectively shielded, and the influence of the external environment entering the detection space through a gap between the shielding doors on reading of the reading module is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of channel machines, in particular to a channel machine. Background Art

[0002] In modern automated production lines and logistics systems, channel readers, as key equipment for material flow, are responsible for quickly and accurately reading labels on material trays. These labels typically contain important data such as material codes, batch numbers, and quantities, and are fundamental to tracking material flows, managing inventory, and implementing automated control.

[0003] In the existing channel machine design, the inlet and outlet are used to allow the material tray to enter and exit. The inlet and outlet are usually equipped with a shielding door for opening and closing the inlet and outlet. The gap between the shielding door and the machine body becomes the main channel for the penetration of interference signals from the external environment. The interference signals in the external environment can pass through the door gap and interfere with the reading module inside the channel machine, resulting in low reading efficiency. It may also cause problems such as misreading and missed reading. Utility Model Content

[0004] The utility model provides a channel machine, which is used to solve the current technical problem that external environmental interference signals can pass through door gaps and interfere with the reading module inside the channel machine.

[0005] The utility model is implemented through the following technical solutions: a channel machine includes a body, a reading module, a driving rod, a first driving belt and a first shielding door, wherein the body has a closed detection space, and the body has a feeding port for conveying a material tray into the detection space; the reading module is installed on the body to read the information in the material tray label; the driving rod is rotatably installed on the body, and the driving rod extends along the conveying direction of the material tray; the first driving belt is installed at either end of the driving rod, and the first driving belt is runway-shaped, and the first driving belt includes two first curved sections and two first straight sections, and the first straight section is located between the two first curved sections. The driving rod rotates to drive the two first straight sections of the first driving belt to move in opposite directions, and the first straight section is perpendicular to the plane where the material tray is located; two first shielding doors are respectively installed on the two first straight sections of the first driving belt, and one side of the first shielding door abuts against the body. The driving rod drives the first driving belt to rotate, thereby driving the two first shielding doors to move toward or in opposite directions, thereby driving the first shielding doors to open or close the feeding port.

[0006] Optionally, it also includes a second driving belt and a second shielding door, wherein the second driving belt is installed at the end of the driving rod away from the first driving belt, the second driving belt is runway-shaped, the second driving belt includes two second curved sections and two second straight sections, the second straight section is located between the two second curved sections, and the driving rod rotates to drive the two second straight sections of the second driving belt to move in opposite directions; the two second shielding doors are respectively installed on the two second straight sections of the second driving belt, and the machine body has a discharge port for conveying the material tray to the outside of the machine body. The driving rod drives the second driving belt to rotate, thereby driving the two second shielding doors to move toward or in opposite directions, and then driving the second shielding door to open or close the discharge port.

[0007] Optionally, it also includes a driven rod, which is rotatably mounted on the machine body, the axial direction of the driven rod is parallel to the axial direction of the driving rod, the number of the first driving belt and the second driving belt is two, the two first driving belts are respectively mounted on the driving rod and the driven rod at one end close to the feed port, the two second driving belts are respectively mounted on the driving rod and the driven rod at one end away from the first driving belt, the two first driving belts are respectively mounted on both sides of the first shielding door, and the two second driving belts are respectively mounted on both sides of the second shielding door.

[0008] Optionally, a synchronous belt is further included, which is installed on the driving rod and the driven rod to synchronously drive the driving rod and the driven rod to rotate, thereby driving the first shielding door and the second shielding door to synchronously open and close the feed port and the discharge port.

[0009] Optionally, it also includes a guide rail and a slider, wherein the guide rail is installed on the machine body, and the extension direction of the guide rail is parallel to the first straight line segment; the slider is slidably installed on the guide rail, the first shielding door and the second shielding door are installed on the slider, and the slider moves along the guide rail to guide the first shielding door and the second shielding door.

[0010] Optionally, it further includes a stopper mounted on the machine body and located at both ends of the guide rail, and the slider abuts against the stopper to prevent the slider from moving.

[0011] Optionally, a strip-shaped hole is provided on the reading module, and a bolt passes through the strip-shaped hole to fix the reading module to the machine body, and the bolt slides along the strip-shaped hole to adjust the position of the reading module.

[0012] Optionally, a reading module is installed on one side of the machine body close to the driving rod and the driven rod, and the material tray to be detected is located between the reading modules on both sides of the machine body.

[0013] Optionally, there are multiple reading modules on each side of the body.

[0014] Optionally, it further comprises an opening and closing door, which is installed on the machine body and is located between the feed port and the discharge port.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The channel machine provided by the utility model includes a machine body, a reading module, a driving rod, a first driving belt and a first shielding door. The machine body has a closed detection space, and the machine body has a feeding port for conveying a material tray to the detection space; the reading module is installed on the machine body to read the information in the material tray label; the driving rod is rotatably installed on the machine body, and the driving rod extends along the conveying direction of the material tray; the first driving belt is installed at either end of the driving rod, and the first driving belt is runway-shaped, and the first driving belt includes two first curved sections and two first straight sections, and the first straight section is located between the two first curved sections. The driving rod rotates to drive the two first straight sections of the first driving belt to move in opposite directions, and the first straight section is perpendicular to the plane where the material tray is located; the two first shielding doors are respectively installed on the two first straight sections of the first driving belt, and one side of the first shielding door is in contact with the machine body. The driving rod drives the first driving belt to rotate, thereby driving the two first shielding doors to move toward or in opposite directions, and then driving the first shielding door to open or close the feeding port.

[0017] Through the above structure, when the channel machine provided by the utility model needs to read the label information of the material tray, the material tray is first transported into the detection space through the feed port, and then the first drive rod rotates, driving the first drive belt to rotate. The two straight segments of the first drive belt move in opposite directions, thereby driving the two first shielding doors to move toward each other. The two first shielding doors abut against each other, thereby closing the feed port. The reading module reads the information on the material tray label. After reading is completed, the first drive rod rotates in the opposite direction, thereby driving the two first shielding doors to move in the opposite direction, thereby opening the feed port. Therefore, the channel machine effectively shields external interference signals by moving the two shielding doors toward each other and abutting each other, reducing the impact of the external environment entering the detection space through the gap between the shielding doors on the reading of the reading module, and improving the efficiency and accuracy of reading the label information. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1This is a structural diagram of the channel machine provided by the utility model;

[0020] Figure 2 This is a cross-sectional view of the channel machine provided by the utility model;

[0021] Figure 3 This is another cross-sectional view of the channel machine provided by the utility model;

[0022] Figure 4 This is a structural diagram of a reading module in an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the installation structure of the first screen door in an embodiment of the present utility model;

[0024] Figure 6 yes Figure 5 Schematic diagram of the enlarged structure of area A in the middle;

[0025] Figure 7 This is a schematic diagram of the installation structure of the first shielding door and the second shielding door in an embodiment of the present utility model;

[0026] Figure 8 It is a schematic diagram of the installation structure of the synchronous belt in the embodiment of the utility model.

[0027] In the picture:

[0028] 1-machine body, 101-feed port, 102-detection space, 103-discharge port, 2-reading module, 21-bar hole, 3-driving rod, 4-first driving belt, 5-first shielding door, 6-second driving belt, 7-second shielding door, 8-driven rod, 9-synchronous belt, 10-guide rail, 11-slider, 12-stopper, 13-opening and closing door, 14-transmission roller. DETAILED DESCRIPTION

[0029] In the description of this application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0030] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0032] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0033] The utility model provides a channel machine, which solves the current technical problem that external environmental interference signals can pass through the door gap and interfere with the reading module inside the channel machine. The channel machine includes a body 1, a reading module 2, a driving rod 3, a first driving belt 4 and a first shielding door 5, wherein:

[0034] The body 1 has a closed detection space 102. The detection space 102 forms a relatively independent environment for carrying the material tray with the label information to be read, while reducing the impact of external environmental factors on the reading of the material tray label information. The body 1 is provided with a feed port 101. The material tray with the label information to be read is fed into the detection space 102 through the feed port 101 for subsequent reading operations. A conveying roller 14 is provided in the body 1 to transport the material tray from the feed port 101 to a designated position in the detection space 102.

[0035] The reading module 2 is installed on the machine body 1 and is located in the detection space 102 . The reading module 2 is used to read the information in the label on the tray.

[0036] The driving rod 3 is rotatably mounted on the machine body 1 and is located in the detection space 102 . In this embodiment, the driving rod 3 is located at the upper portion of the machine body 1 and extends along the conveying direction of the tray.

[0037] The first driving belt 4 is installed at either end of the driving rod 3. The first driving belt 4 is connected to the driving rod 3. The driving rod 3 rotates, thereby driving the first driving belt 4 to rotate. The first driving belt 4 is runway-shaped. The first driving belt 4 includes two first curved segments and two first straight segments. The first straight segment is located between the two first curved segments. The driving rod 3 rotates to drive the two first straight segments of the first driving belt 4 to move in opposite directions. The first straight segment is perpendicular to the plane where the material tray is located.

[0038] There are two first shielding doors 5 in total. The first shielding doors 5 are arranged in a direction parallel to the first straight segment to ensure that the first shielding doors 5 can match the two first straight segments of the first driving belt 4, thereby achieving synchronous movement. One side of the two first shielding doors 5 is tightly abutted against the body 1, reducing the possibility of external interference signals entering the detection space 102 through the gap between the first shielding doors 5 and the body 1. By ensuring close contact between the first shielding doors 5 and the body 1, external signals are effectively isolated, thereby protecting the reading module 2 in the detection space 102 from interference, thereby improving the accuracy and stability of reading. When the driving rod 3 rotates, it will drive the first driving belt 4 to rotate synchronously, thereby causing the two first straight segments to move in opposite directions. Since the first shielding doors 5 are connected to the first straight segments, they will also move with the movement of the first straight segments. When the two first shielding doors 5 move toward each other, they will gradually open the feed port 101, and the material tray can be easily placed into the detection space 102 for subsequent reading operations. When the two first shielding doors 5 move in opposite directions, they will gradually close the feed port 101, ensuring that the detection space 102 is in a closed state when the reading module 2 reads the label information, thereby further improving the accuracy and stability of the reading.

[0039] An optional implementation of this embodiment is as follows: it also includes a second drive belt 6 and a second screen door 7, wherein the second drive belt 6 is mounted on the end of the drive rod 3 away from the first drive belt 4, and the second drive belt 6 is in transmission connection with the drive rod 3. When the drive rod 3 rotates, the second drive belt 6 also rotates synchronously. The second drive belt 6 is runway-shaped, and the second drive belt 6 includes two second curved sections and two second straight sections. The second straight section is located between the two second curved sections. The rotation of the drive rod 3 drives the first drive belt 4 and the second drive belt 6 to rotate synchronously. The second straight section is perpendicular to the plane where the material tray is located.

[0040] There are two second shielding doors 7, which are arranged in a direction parallel to the second straight segment. One side of the two second shielding doors 7 is in contact with the body 1 to reduce the external interference signal from entering the detection space 102 through the gap between the second shielding door 7 and the body 1. In one embodiment provided in this embodiment, the first shielding door 5 and the second shielding door 7 are both located in the detection space 102, and the first shielding door 5 and the second shielding door 7 are in contact with the inner wall of the body 1. The two second shielding doors 7 are respectively installed on the two second straight segments of the second driving belt 6. The body 1 has a discharge port 103 for conveying the material tray to the outside of the body 1. The driving rod 3 drives the second driving belt 6 to rotate, so that the two second straight segments of the second driving belt 6 move in opposite directions, thereby driving the two second shielding doors 7 to move toward or in opposite directions. When the two second shielding doors 7 move toward each other, the second shielding door 7 opens the discharge port 103, so as to facilitate the placement of the material tray into the detection space 102. When the two second shielding doors 7 move in opposite directions, the second shielding door 7 closes the discharge port 103, so as to facilitate the reading module 2 to read the information of the label;

[0041] The drive rod 3 synchronous belt 9 drives the first drive belt 4 and the second drive belt 6 to rotate, thereby realizing the synchronous control of the first shielding door 5 and the second shielding door 7. When the two first shielding doors 5 move toward each other to open the feed port 101, the two second shielding doors 7 will also move synchronously to open the discharge port 103; when the two first shielding doors 5 move in the opposite direction to close the feed port 101, the two second shielding doors 7 will also move synchronously toward each other to close the discharge port 103. This allows the channel machine to read the label information of a tray, and then the second shielding door 7 opens the discharge port 103 to discharge the tray from the discharge port 103 into the detection space 102. At the same time, the first shielding door 5 opens the feed port 101 to receive the next tray to be read. This improves the label reading efficiency and enables the channel machine to process the tray reading task more quickly.

[0042] An optional implementation of this embodiment is as follows: In order to facilitate the support of the first shielding door 5 and the second shielding door 7, the channel machine also includes a driven rod 8, which is rotatably mounted on the machine body 1, and the axial direction of the driven rod 8 is parallel to the axial direction of the driving rod 3. The driven rod 8 is located at the upper part of the machine body 1. The number of the first driving belt 4 and the second driving belt 6 is two, and the two first driving belts 4 are respectively mounted on the driving rod 3 and the driven rod 8 at one end close to the feed port 101, and the two second driving belts 6 are respectively mounted on the driving rod 3 and the driven rod 8 at one end away from the first driving belt 4. The first shielding door 5 The two sides are respectively installed on the first straight sections of the two first driving belts 4, and the two sides of the second shielding door 7 are respectively installed on the second straight sections of the two second driving belts 6, so that the two sides of the first shielding door 5 and the second shielding door 7 are supported, so that the shielding door is more evenly stressed. It is worth noting that the two sides of the same first shielding door 5 installed on the first straight sections of the two first driving belts 4 should keep moving in the same direction, and the two sides of the same second shielding door 7 installed on the second straight sections of the two second driving belts 6 should keep moving in the same direction, so that the first shielding door 5 or the second shielding door 7 moves in the same direction.

[0043] An optional implementation of this embodiment is as follows: in order to make the driving rod 3 and the driven rod 8 rotate synchronously, the channel machine also includes a synchronous belt 9, which is installed on the driving rod 3 and the driven rod 8. The synchronous belt 9 drives the driving rod 3 and the driven rod 8 to rotate, and then drives the first shielding door 5 and the second shielding door 7 to synchronously open and close the feed port 101 and the discharge port 103.

[0044] An optional implementation of this embodiment is as follows: in order to guide the first shielding door 5 and the second shielding door 7, the channel machine also includes a guide rail 10 and a slider 11, wherein the guide rail 10 is installed on the machine body 1, and the extension direction of the guide rail 10 is parallel to the first straight segment; the slider 11 is slidably installed on the guide rail 10, and the first shielding door 5 and the second shielding door 7 are installed on the slider 11. The slider 11 moves along the guide rail 10 to guide the first shielding door 5 and the second shielding door 7 to reduce the shaking of the first shielding door 5 or the second shielding door 7, so as to better enable the first shielding door 5 or the second shielding door 7 to move along the extension direction parallel to the guide rail 10. Each guide rail 10 is installed with at least two sliders 11. There are four guide rails 10 in this embodiment, and four sliders 11 are installed on each guide rail 10. One side of a first shielding door 5 or a second shielding door 7 is installed on two sliders 11.

[0045] An optional implementation of this embodiment is as follows: in order to limit the first shielding door 5 and the second shielding door 7, the channel machine also includes a stopper 12, which is installed on the machine body 1. The stopper 12 is located at both ends of the guide rail 10, and a stopper 12 is installed at either end of each guide rail 10. When the slider 11 slides along the guide rail 10, when the slider 11 abuts against the stopper 12, the stopper 12 prevents the slider 11 from continuing to move along the guide rail 10, thereby limiting the first shielding door 5 or the second shielding door 7.

[0046] An optional implementation of this embodiment is as follows: a strip hole 21 is opened on the reading module 2, and a bolt passes through the strip hole 21 to fix the reading module 2 to the body 1. The bolt slides along the strip hole 21 to fix the reading module 2 at different positions, so as to facilitate the adjustment of the position of the reading module 2 according to the material trays of different specifications, so that the reading module 2 can better read the label information of the material tray.

[0047] An optional implementation of this embodiment is as follows: a reading module 2 is installed on one side of the body 1 close to the driving rod 3 and the driven rod 8, and the material tray to be detected is located between the reading modules 2 on both sides of the body 1. The reading modules 2 on both sides of the body 1 can read the label information of the material tray, thereby improving the reading efficiency of the material tray label information.

[0048] An optional implementation of this embodiment is as follows: there are multiple reading modules 2 on each side of the body 1, and multiple reading modules 2 read the label information of the material tray at the same time, which increases the reading area of ​​the reading module 2 and improves the reading speed of the material tray label information.

[0049] An optional implementation of this embodiment is as follows: the opening and closing door 13 is installed on the side wall of the machine body 1, and the opening and closing door 13 is located between the feed port 101 and the discharge port 103. During the use of the channel machine, the opening and closing door 13 is in a closed state. When the machine body 1 needs to be inspected, the opening and closing door 13 is opened to facilitate maintenance of the machine body 1.

[0050] To sum up, when the channel machine needs to read the label information of the material tray, the material tray is first transported to the detection space 102 through the feed port 101, and then the first drive rod 3 rotates, the synchronous belt 9 drives the driven rod 8 to rotate, and then the synchronous belt 9 drives the first drive belt 4 and the second drive belt 6 to rotate, and the two straight sections of the two first drive belts 4 and the two second drive belts 6 move in opposite directions, thereby driving the two first shielding doors 5 and the two second shielding doors 7 to move toward each other, and the slider 11 moves along the guide rail 10 to guide the first shielding door 5 and the second shielding door 7 to reduce the shaking of the first shielding door 5 or the second shielding door 7. The two first shielding doors 5 and the two second shielding doors 7 abut against each other, thereby closing the feed port. 101 and the discharge port 103, the reading module 2 reads the information on the material tray label. After the reading is completed, the first driving rod 3 rotates in the opposite direction, thereby driving the two first shielding doors 5 and the second shielding door 7 to move in the opposite direction, thereby opening the feed port 101 and the discharge port 103, and discharging the material tray from the discharge port 103 to the detection space 102, and at the same time receiving the next material tray to be read, thereby improving the label reading efficiency. Therefore, the channel machine effectively shields external interference signals by moving the two shielding doors toward each other and abutting against each other, reducing the impact of the external environment entering the detection space 102 through the gap between the shielding doors on the reading of the reading module 2, and improving the reading efficiency and accuracy of the label information.

[0051] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. Channel machine, characterized in that, include: A machine body having a closed detection space, and the machine body having a feeding port for conveying a material tray into the detection space; A reading module is installed on the machine body to read the information in the tray label; A driving rod is rotatably mounted on the machine body, and the driving rod extends along the conveying direction of the tray; A first driving belt is installed at either end of the driving rod, and the first driving belt is in the shape of a runway. The first driving belt includes two first curved sections and two first straight sections. The first straight section is located between the two first curved sections. The driving rod rotates to drive the two first straight sections of the first driving belt to move in opposite directions. The first straight section is perpendicular to the plane where the material tray is located; Two first shielding doors are respectively installed on the two first straight sections of the first driving belt. One side of the first shielding door is in contact with the machine body. The driving rod drives the first driving belt to rotate, thereby driving the two first shielding doors to move toward or in opposite directions, and further driving the first shielding door to open or close the feed port.

2. The channel machine according to claim 1, characterized in that Also includes: a second drive belt mounted on an end of the drive rod away from the first drive belt, the second drive belt being in the shape of a runway and comprising two second curved segments and two second straight segments, the second straight segment being located between the two second curved segments, and the rotation of the drive rod driving the two second straight segments of the second drive belt to move in opposite directions; Two second shielding doors are respectively installed on the two second straight sections of the second driving belt. The machine body has a discharge port for conveying the material tray to the outside of the machine body. The driving rod drives the second driving belt to rotate, thereby driving the two second shielding doors to move toward or in the opposite direction, and then driving the second shielding doors to open or close the discharge port.

3. The channel machine according to claim 2, characterized in that: Also includes: A driven rod is rotatably mounted on the machine body, the axial direction of the driven rod is parallel to the axial direction of the driving rod, the number of the first driving belt and the second driving belt is two, the two first driving belts are respectively mounted on the end of the driving rod and the driven rod close to the feed port, the two second driving belts are respectively mounted on the end of the driving rod and the driven rod away from the first driving belt, the two first driving belts are respectively mounted on both sides of the first shielding door, and the two second driving belts are respectively mounted on both sides of the second shielding door.

4. The channel machine according to claim 3, characterized in that Also includes: A synchronous belt is installed on the driving rod and the driven rod to synchronously drive the driving rod and the driven rod to rotate, thereby driving the first shielding door and the second shielding door to synchronously open and close the feed port and the discharge port.

5. The channel machine according to claim 3, characterized in that: Also includes: a guide rail mounted on the machine body, wherein an extension direction of the guide rail is parallel to the first straight line segment; A slider is slidably mounted on the guide rail, the first shielding door and the second shielding door are mounted on the slider, and the slider moves along the guide rail to guide the first shielding door and the second shielding door.

6. The channel machine according to claim 5, characterized in that: Also includes: The stoppers are mounted on the machine body and located at both ends of the guide rail. The slider abuts against the stoppers to prevent the slider from moving.

7. The channel machine according to claim 1, characterized in that: The reading module is provided with a strip-shaped hole, and a bolt passes through the strip-shaped hole to fix the reading module on the machine body. The bolt slides along the strip-shaped hole to adjust the position of the reading module.

8. The channel machine according to claim 3, characterized in that: A reading module is installed on one side of the machine body close to the driving rod and the driven rod, and the material tray to be detected is located between the reading modules on both sides of the machine body.

9. The channel machine according to claim 1, characterized in that: There are multiple reading modules on each side of the body.

10. The channel machine according to claim 2, characterized in that: Also includes: An opening and closing door is installed on the machine body and is located between the feed port and the discharge port.

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