Medium conveying mechanism

Abstract

In a media conveying mechanism, a suspended object, which is the upper one of the conveying section and the processing section that are opposite each other in the vertical direction, is raised and lowered with high precision. An inspection device (an example of a media conveying mechanism) (1) includes: a first conveying section (10) that conveys a medium (M); a first inspection section (an example of a first processing section) (20) that is arranged opposite the first conveying section (10) in the vertical direction for processing the medium (M); a flexible suspension wire (an example of a suspension member) (51-54) that is connected to and suspends the first conveying section (10) which is the upper one of the first conveying section (10) and the first inspection section (20); and a flexible pull wire (61-64) (an example of a pull member) that pulls the first conveying section (10) downward.

Description

Technical Field

[0001] The invention relates to a medium conveying mechanism. Background Art

[0002] Conventionally, there is known a printing apparatus in which a belt-type platen conveying unit for conveying paper is suspended by a wire and can be raised and lowered (see, for example, Patent Document 1).

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2016-129959 Summary of the invention

[0006] Problem that the invention aims to solve

[0007] In addition, in a medium conveying mechanism that includes a conveying section for conveying a medium such as paper and a processing section (such as an inspection section, a printing section, etc.) arranged in a manner opposite to the conveying section in the up and down direction, a hanging object that is located above the conveying section and the processing section is sometimes suspended using metal wires or the like, for example, four hanging members.

[0008] In such a case, when the suspended object is brought into contact with the other one of the conveying unit and the processing unit located below, even if the suspended object is lowered by the hanging member, the four corners of the suspended object may not be brought into contact with the other one due to, for example, the tilt of the processing unit. If the four corners of the suspended object are not brought into contact with the other one, there is a risk that the processing unit may not process the medium properly and the conveying unit may not convey the medium properly.

[0009] An object of the present invention is to provide a medium transport mechanism capable of accurately raising and lowering a suspended object, which is one of a transport unit and a processing unit that are opposed to each other in the vertical direction and are located above.

[0010] Solutions for solving problems

[0011] In one technical solution, a medium conveying mechanism comprises: a first conveying section that conveys a medium; a first processing section that is arranged opposite to the first conveying section in the up-down direction and is used to process the medium; a flexible hanging member that is connected to a first hanging object that is one of the first conveying section and the first processing section located above and hangs the first hanging object; and a flexible pulling member that pulls the first hanging object downward.

[0012] Effects of the Invention

[0013] According to the above-described technical solution, the suspended object located at the upper side of the transport section and the processing section facing each other in the vertical direction can be raised and lowered with high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a diagram showing the internal structure of a printing system in one embodiment.

[0015] Figure 2 This is a diagram showing a control structure of a part of a printing system in one embodiment.

[0016] Figure 3 This is a rear perspective view showing an inspection device (in a transport state) according to an embodiment.

[0017] Figure 4 It is a rear perspective view showing the inspection device (jam release state) according to one embodiment.

[0018] Figure 5A This is a front view (part 1) for explaining the lifting and lowering operation of the first conveying unit and the second conveying unit of the inspection device according to one embodiment.

[0019] Figure 5B This is a front view (part 2) for explaining the lifting and lowering operations of the first conveying unit and the second conveying unit of the inspection device according to one embodiment.

[0020] Figure 5C This is a front view (part 3) for explaining the lifting and lowering operation of the first conveying unit and the second conveying unit of the inspection device according to one embodiment.

[0021] Figure 5D This is a front view (fourth) for explaining the lifting and lowering actions of the first conveying unit and the second conveying unit of the inspection device according to one embodiment.

[0022] Figure 5E This is a front view (part 5) for explaining the lifting and lowering operation of the first conveying unit and the second conveying unit of the inspection device according to one embodiment.

[0023] Figure 6 This is a front perspective view showing an inspection device (in a transport state) according to another embodiment.

[0024] Figure 7 This is a front perspective view showing a part of an inspection device (disassembled state) according to another embodiment.

[0025] Figure 8 This is a front perspective view showing a part of an inspection device (in a transport and fixed state) according to another embodiment.

[0026] Fig. 9AThis is a front view (part 1) for explaining the lifting and lowering operations of the first conveying unit and the second conveying unit of the inspection device according to another embodiment.

[0027] Fig. 9B This is a front view (part 2) for explaining the lifting and lowering operations of the first conveying unit and the second conveying unit of the inspection device according to another embodiment.

[0028] Description of Reference Numerals

[0029] 1, 2, inspection device (an example of a conveying mechanism); 10, first conveying unit (an example of a first hanging object); 20, first inspection unit (an example of a first processing unit); 30, second conveying unit (an example of a second hanging object); 40, second inspection unit (an example of a second processing unit); 51-54, hanging wire (an example of a hanging member); 51a, 52a, 53a, 54a, slack area; 51b, 52b, 53b, 54b, slack area; 51c, 52c, 53c, 54c, slack area; 6 1-64, a pulling wire (an example of a pulling member); 61a, 62a, 63a, 64a, a slack area; 61b, 62b, 63b, 64b, a slack area; 71, a first driving unit; 72, a power transmission unit; 73, 74, a driving shaft; 75-78, a pulley; 81, a second driving unit; 82, a power transmission unit; 83, a driving shaft; 84, 85, a pulley; 91, a control unit; 92, a storage unit; 93, an interface unit; 94, a first measuring unit; 95, a second measuring unit; 96, a contacted unit; 100, a printing system; 11 0, medium supply device; 120, first printing device; 130, intermediate conveying device; 140, second printing device; 150, medium discharge device; 210, housing; 211, front side plate; 212, rear side plate; 213, storage unit; 221, 222, downstream side fixed shaft (an example of a disassembly component); 223, 224, downstream side fixed plate; 231, 232, upstream side fixed shaft; 233, upstream side fixed plate; M, medium; P0, intermediate position; P1, conveying position; P2, jam release position; P3, removal position; P4, Removal position; P5, conveying fixed position; P11, 1st installation position; P12, 2nd installation position; R1, R4-1, R5, straight conveying path; R2, R6, circulating conveying path; R3, R4-2, R7, R8-1, reversing path; R8-2, non-reversing path; R9, merging path; R10, normal accommodation path; R11, abnormal accommodation path; S11, first position detection sensor at the bottom; S12, second position detection sensor at the bottom; S21, first position detection sensor at the top; S22, second position detection sensor at the top. DETAILED DESCRIPTION

[0030] Hereinafter, a medium transport mechanism according to one embodiment and another embodiment of the present invention will be described with reference to the drawings, taking inspection devices 1 and 2 as examples.

[0031] <One embodiment>

[0032] Figure 1 1 is a diagram showing the internal structure of the printing system 100 in this embodiment.

[0033] Figure 2 1 is a diagram showing a control structure of a part of the printing system 100. Figure 1 and the following Figure 3 , Figure 4 and Figure 5A to Figure 5E The up-down direction, left-right direction, and front-back direction shown are directions for convenience of explanation only. For example, the up-down direction is a vertical direction, and the left-right direction and front-back direction are horizontal directions.

[0034] like Figure 1 and Figure 2 As shown, the printing system 100 includes a medium supply device 110, a first printing device 120, an intermediate conveying device 130, a second printing device 140, an inspection device 1, and a medium discharge device 150. Here, the inspection device 1 is an example of a medium conveying mechanism that conveys a medium M. The medium conveying mechanism is not limited to the inspection device 1, and any device that conveys the medium M is sufficient. In addition, the medium M is, for example, paper (single sheet of paper), but may also be other sheet-like media such as a film.

[0035] The medium supply device 110, the first printing device 120, the intermediate conveying device 130, the second printing device 140, the inspection device 1, and the medium discharge device 150 are arranged in series on the conveying path (conveying direction D) of the medium M. In addition, multiple devices among the medium supply device 110, the first printing device 120, the intermediate conveying device 130, the second printing device 140, the inspection device 1, and the medium discharge device 150 may be integrally arranged in a common housing. For example, the inspection device 1 may be arranged as a part of the medium discharge device 150. In addition, when the printing device and the inspection device 1 are integrally arranged, they can be regarded as a printing device.

[0036] exist Figure 1In the first printing device 120, the intermediate conveying device 130, the second printing device 140, the inspection device 1 and the medium discharge device 150, the straight conveying paths R1, R4-1, R5, the non-reversing path R8-2, the merging path R9, the normal accommodating path R10 and the abnormal accommodating path R11 of the medium M are represented by solid lines, the circulating conveying paths R2 and R6 are represented by double-dotted lines, and the reversing paths R3, R4-2, R7, R8-1 are represented by dashed lines or dotted lines.

[0037] The medium supply device 110 has a stage 111 on which the pre-printed medium M is placed. The first printing device 120 has a plurality of transport roller pairs 121 , a first printing unit 122 , a transport unit 123 , transport path switching units 124 and 125 , a switchback roller pair 126 , and a discharge unit 127 .

[0038] A plurality of pairs of transport roller pairs 121 are arranged in the first printing device 120 , and transport the medium M while sandwiching the medium M therebetween.

[0039] The first printing unit 122 includes, for example, line-type inkjet heads (not shown) that are separated according to the colors used for printing.

[0040] The transport unit 123 is disposed so as to face the first printing unit 122. The transport unit 123 transports the medium M by means of a belt while sucking the medium M.

[0041] One transport path switching unit 124 switches the transport path of the medium M printed by the first printing unit 122 to a straight transport path R1 extending to the intermediate transport device 130 and a circulating transport path R2 extending to the discharge unit 127 and the reverse path R3 .

[0042] The other conveying path switching unit 125 switches the circulating conveying path R2 of the medium M to a conveying path that continues to the discharge unit 127 and a reversing path R3 that reverses the front and back sides of the medium M using the switchback roller pair 126. The medium M whose front and back sides are reversed on the reversing path R3 is conveyed to the first printing unit 122 again.

[0043] The medium M that has not been discharged to the medium discharge device 150 is loaded on the discharge unit 127 .

[0044] The intermediate conveying device 130 includes a plurality of conveying roller pairs 131 , a switchback roller pair 132 , and a conveying path switching unit 133 .

[0045] The transport roller pair 131 transports the medium M ejected from the first printing device 120 while sandwiching the medium M.

[0046] The transport path switching unit 133 switches the transport path between a straight transport path R4-1 for directly transporting the medium M discharged from the first printing device 120 to the second printing device 140 and a reverse transport path R4-2 for reversely transporting the front and back sides of the medium M using the switchback roller pair 132. Alternatively, the intermediate transport device 130 may be omitted and the medium M may be directly transported from the first printing device 120 to the second printing device 140.

[0047] The second printing device 140 may have the same structure as the first printing device 120. For example, similarly to the first printing device 120, the second printing device 140 includes a transport roller pair 141, a second printing unit 142, a transport unit 143, a transport path switching unit 144, and a switchback roller pair 145.

[0048] A plurality of pairs of transport roller pairs 141 are arranged in the second printing device 140 , and transport the medium M while sandwiching the medium M therebetween.

[0049] The second printing unit 142 has, for example, a line inkjet head (not shown) that is differentiated according to the various colors used for printing. In addition, the printing system 100 includes two printing units, namely, the first printing unit 122 of the first printing device 120 and the second printing unit 142 of the second printing device 140, but may include only one printing unit or three or more printing units.

[0050] The transport unit 143 is disposed so as to face the second printing unit 142. The transport unit 143 transports the medium M by means of a belt while sucking the medium M.

[0051] The transport path switching unit 144 switches the transport path of the medium M printed by the second printing unit 142 to a straight transport path R5 extending to the inspection device 1 and a circulating transport path R6 extending to a reverse path R7 .

[0052] The switchback roller pair 145 reverses the front and back sides of the medium M on the reversing path R7 . The medium M whose front and back sides are reversed on the reversing path R7 is conveyed to the second printing unit 142 again.

[0053] The inspection device 1 will be described in detail later, and here, the first transport unit 10 , the first inspection unit 20 , the second transport unit 30 , and the second inspection unit 40 will be described.

[0054] The first conveying unit 10 is disposed on the upper surface side of the medium M and is used to convey the medium M. The first conveying unit 10 is, for example, an adsorption conveying unit having a suction unit that sucks air and a belt having a plurality of through holes through which the air sucked by the suction unit passes and conveying the medium M adsorbed by the suction of the air by the suction unit.

[0055] The first inspection unit 20 is arranged below the first conveying unit 10 in a manner opposite to the first conveying unit 10 in the up-down direction. The first inspection unit 20 inspects the image printed on the lower surface of the medium M conveyed by the first conveying unit 10. For example, the first inspection unit 20 has a photographing unit such as a CIS (Contact Image Sensor) that photographs the image printed on the medium M. In addition, the first inspection unit 20 is an example of a first processing unit that processes the medium M. As other examples of the first processing unit, there are a functional printing unit that performs functional printing using special ink (invisible ink, MICR (Magnetic ink character recognition) ink, etc.) as an example of processing, a printing unit that performs printing using normal ink (KCMY color ink, etc.) as an example of processing, and a drying heater that performs drying as an example of processing.

[0056] The second conveying unit 30 is arranged on the upstream side of the first conveying unit 10 in the conveying direction D, on the side opposite to the first conveying unit 10 in the vertical direction with respect to the medium M, that is, on the lower surface side of the medium M. The second conveying unit 30 can be formed by reversing the direction of the first conveying unit 10 up and down. For example, similar to the first conveying unit 10, the second conveying unit 30 is, for example, an adsorption conveying unit having a suction unit that sucks air and a belt that has a plurality of through holes through which the air sucked by the suction unit passes, and conveys the medium M adsorbed by the suction of the air by the suction unit.

[0057] The second inspection unit 40 is arranged on the side opposite to the first inspection unit 20 in the vertical direction with respect to the medium M, that is, on the upper surface side of the medium M, so as to be opposed to the second conveying unit 30 in the vertical direction. The second inspection unit 40 inspects the image printed on the upper surface of the medium M conveyed by the second conveying unit 30. For example, the second inspection unit 40 has a photographing unit such as a CIS that photographs the image printed on the medium M. In addition, the second inspection unit 40 is an example of a second processing unit that processes the medium M. As other examples of the second processing unit, similar to the first processing unit, there are a functional printing unit that performs functional printing using special ink as an example of processing, a printing unit that performs printing using normal ink as an example of processing, a drying heater that performs drying as an example of processing, and the like.

[0058] In addition, in the present embodiment, the case where the second conveying section 30 and the second inspection section 40 (second processing section) are arranged on the upstream side in the conveying direction D relative to the first conveying section 10 and the first inspection section 20 (first processing section) is described as an example, but the second conveying section 30 and the second inspection section 40 may also be arranged at a position closer to the downstream side in the conveying direction D than the first conveying section 10 and the first inspection section 20.

[0059] The image captured by the imaging unit of the first inspection unit 20 and the imaging unit of the second inspection unit 40 is processed by the control unit 91 described later or the control unit (not shown) of the entire printing system 100 to determine whether the image printed on the medium M is normal or abnormal. Whether the image is normal or abnormal can be determined based on, for example, the printing accuracy compared with the original data for printing, the presence or absence of errors in the printed content, etc. In addition, the first inspection unit 20 and the second inspection unit 40 may each have a plurality of imaging units with different imaging methods.

[0060] The medium discharge device 150 includes an introduction portion 151 , a normal storage portion 152 , and an abnormal storage portion 153 .

[0061] The introduction section 151 includes a plurality of transport roller pairs 151 a , a switchback roller pair 151 b , and transport path switching sections 151 c and 151 d .

[0062] The plurality of transport roller pairs 151 a transport the medium M while sandwiching the medium M. The switchback roller pair 151 b reverses the front and back surfaces of the medium M on the reversing path R8 - 1 .

[0063] The transport path switching unit 151c switches the straight transport path R5 from the second printing device 140 to the introduction unit 151 through the inspection device 1 to a reversing path R8-1 toward the switchback roller pair 151b and a non-reversing path R8-2 passing through the switchback roller pair 151b.

[0064] The transport path switching unit 151 d switches a merging path R9 where the reversing path R8 - 1 and the non-reversing path R8 - 2 merge into a normal storage path R10 leading to the normal storage section 152 and an abnormal storage path R11 leading to the abnormal storage section 153 .

[0065] The normal storage unit 152 includes a lifting and lowering mounting table 152 a , and the medium M determined to be normal through the inspection by the first inspection unit 20 and the second inspection unit 40 is placed on the mounting table 152 a .

[0066] The abnormal storage section 153 is disposed above the normal storage section 152 , and stores the medium M determined to be abnormal through the inspection by the first inspection section 20 and the second inspection section 40 .

[0067] Next, the configuration of the inspection device 1 will be described.

[0068] Figure 3 It is a rear perspective view showing the inspection device 1 (in a transport state).

[0069] Figure 4 1 is a perspective view showing the back side of the inspection device 1 (jam release state). Figure 3 and Figure 4 The first transport unit 10, the first inspection unit 20, the second transport unit 30 and the second inspection unit 40 are connected to Figure 1 and Figure 5A to Figure 5E are shown in different details.

[0070] like Figure 3 As shown, the inspection device 1 includes the above-mentioned first conveying part 10, the first inspection part 20, the second conveying part 30, the second inspection part 40, the hanging metal wires 51 to 54, the pulling metal wires 61 to 64, the first driving part 71, the power transmission part 72, the driving shafts 73, 74, the pulleys 75 to 78, the second driving part 81, the power transmission part 82, the driving shaft 83 and the pulley 84.

[0071] In addition, if Figure 2 As shown, the inspection device 1 includes a control unit 91, a storage unit 92, an interface unit 93, a first measuring unit 94, a second measuring unit 95, a first lower position detection sensor S11, a second lower position detection sensor S12, a first upper position detection sensor S21, and a second upper position detection sensor S22.

[0072] Figure 3 The suspension wires 51 to 54 shown are connected at one end to, for example, four corners of the first conveyor unit 10 and at the other end to, for example, four corners of the second conveyor unit 30, thereby suspending the first conveyor unit 10 and the second conveyor unit 30. The suspension wires 51 to 54 are examples of flexible suspension members.

[0073] Here, the first conveying unit 10, which is one of the first conveying unit 10 and the first inspection unit 20 located at the upper side and connected to the suspension wires 51 to 54, is an example of the first suspension object. In addition, the second conveying unit 30, which is one of the second conveying unit 30 and the second inspection unit 40 located at the lower side and connected to the suspension wires 51 to 54, is an example of the second suspension object. In addition, in the present embodiment, an example of the first suspension object is the first conveying unit 10, and an example of the second suspension object is the second conveying unit 30, but processing units such as the first inspection unit 20 and the second inspection unit 40 may also be suspension objects.

[0074] The pulling wires 61 to 64 are connected to, for example, four corners of the first transport unit 10, and pull the first transport unit 10 downward. The pulling wires 61 to 64 are examples of flexible pulling members.

[0075] In addition, the hanging components taking the hanging metal wires 51 to 54 as an example and the pulling components taking the pulling metal wires 61 to 64 as an example are not limited to linear shapes, but may also be in the form of strips. Furthermore, if they can be relaxed (have flexibility), the material and number of roots are not particularly limited.

[0076] The first driving unit 71 drives the suspension wires 51 to 54. The first driving unit 71 is, for example, a driver such as a motor.

[0077] The power transmission unit 72 transmits the power generated by the first driving unit 71 to the two driving shafts 73 and 74. Figure 3 and Figure 4 As shown, the power transmission part 72 is, for example, a plurality of gears. Figure 5A to Figure 5E As shown, there can also be multiple belts, etc.

[0078] The drive shafts 73 and 74 are arranged to extend in the front-rear direction above the second inspection section 40. Two suspension wires 51 and 53 are suspended from one drive shaft 73, and the remaining two suspension wires 52 and 54 are suspended from the other drive shaft 74.

[0079] The pulleys 75 to 78 are arranged above the connection positions of the suspension wires 51 to 54 to the first transport unit 10 , and the suspension wires 51 to 54 are suspended thereon.

[0080] Therefore, the drive shafts 73 and 74 are rotated by the power transmitted from the power transmission unit 72, whereby the suspension wires 51 to 54 can be rotated as shown in FIG. Figure 3 As shown in FIG. 1 , the first conveying unit 20 or the second conveying unit 40 is moved downward and the second conveying unit 30 is moved upward to the conveying position P1 in contact with the first inspection unit 20 or the second inspection unit 40, and Figure 4 As shown, the first transport unit 10 is raised and the second transport unit 30 is lowered to the jam release position P2 away from the first inspection unit 20 or the second inspection unit 40 .

[0081] The second driving unit 81 drives the pulling wires 61 to 64. The second driving unit 81 is, for example, a driver such as a motor.

[0082] The power transmission unit 82 transmits the power generated by the second drive unit 81 to the drive shaft 83. In addition, the power transmission unit 82 has, for example, a gear. Figure 5A to Figure 5E As shown, it is also possible to have a belt.

[0083] The drive shaft 83 is arranged at the rear of the first inspection section 20 so as to extend in the left-right direction, and the pulling wires 61 to 64 are hung thereon. In addition, the direction of the drive shaft 83 can be any direction. Figure 5A to Figure 5E , the driving shaft 83 is shown extending in the front-rear direction.

[0084] The pulley 84 is provided with a pulling wire 62 connected to the right front portion of the first conveying unit 10. In addition, the pulley 84 is provided with a pulling wire 61 connected to the left front portion of the first conveying unit 10. Figure 3 and Figure 4 Not shown in the figure, for example, it is Figure 5A to Figure 5E Pulley 85 is shown.

[0085] The driving shaft 83 is rotated by the power transmitted from the power transmission unit 82 , whereby the pulling wires 61 to 64 can lower the first transport unit 10 .

[0086] Furthermore, since the second driving unit 81 pulls the first conveying unit 10 downward using the pulling wires 61 to 64, the second conveying unit 30 connected to the first conveying unit 10 by the hanging wires 51 to 54 can be raised. Therefore, for example, if the hanging wires 51 to 54 can be moved in a manner such that the second conveying unit 30 is lowered and the first conveying unit 10 is raised when the driving of the second driving unit 81 is stopped by placing a heavy object on the second conveying unit 30, the first driving unit 71 can be omitted.

[0087] Figure 2 The control unit 91 shown has a processor (eg, CPU: Central Processing Unit) functioning as a calculation processing device, and controls the first drive unit 71, the second drive unit 81 and other components of the inspection device 1. The control unit (not shown) of the printing system 100 may also serve as the control unit 91.

[0088] The storage unit 92 is, for example, a ROM (Read Only Memory) which stores a predetermined control program in advance, or a RAM (Random Access Memory) which is used as a working storage area as needed when the processor executes various control programs.

[0089] The interface unit 93 exchanges various information with external devices. For example, the interface unit 93 sends the inspection result of the medium M to the first printing device 120 , the second printing device 140 , the medium discharge device 150 , and the like.

[0090] The first measuring unit 94 measures the driving amount of the first driving unit 71. For example, the first measuring unit 94 is an encoder that detects the rotation speed of the output shaft of the first driving unit 71.

[0091] The second measuring unit 95 measures the driving amount of the second driving unit 81. For example, the second measuring unit 95 is an encoder that detects the rotation speed of the output shaft of the second driving unit 81.

[0092] The first position detection sensor S11 below is as described below. Figure 5A As shown, the second transport unit 30 located at the intermediate position P0 is detected.

[0093] The second position detection sensor S12 below is as described later. Figure 5D As shown, the second transport unit 30 located at the jam release position P2 is detected.

[0094] The first position detection sensor S21 above is as follows Figure 5A As shown, the first transport unit 10 located at the intermediate position P0 is detected.

[0095] The second position detection sensor S22 above is Figure 5D As shown, the first transport unit 10 located at the jam release position P2 is detected.

[0096] In addition, it is preferable that a plurality of the lower first position detection sensor S11 , the lower second position detection sensor S12 , the upper first position detection sensor S21 , and the upper second position detection sensor S22 are arranged at the same height.

[0097] Next, the operation of the inspection device 1 will be described. Figure 5A to Figure 5E 1 is a front view for explaining the lifting and lowering operation of the first conveying unit 10 and the second conveying unit 30 of the inspection device 1. Figure 5A to Figure 5E In the figure, the suspension wire 53 is blocked and not shown because it overlaps with the suspension wire 51, and the suspension wire 54 is blocked and not shown because it overlaps with the suspension wire 52, but the reference numerals of the suspension wires 53 and 54 are recorded together with the reference numerals of the suspension wires 51 and 52. Figure 5A to Figure 5E In the figure, the pulling metal wire 63 is blocked and not shown because it overlaps with the pulling metal wire 61, and the pulling metal wire 64 is blocked and not shown because it overlaps with the pulling metal wire 62, but the figure marks of the pulling metal wires 63 and 64 are recorded together with the figure marks of the pulling metal wires 61 and 62.

[0098] First, if Figure 5AAs shown, from the state where the lower first position detection sensor S11 detects the upper end of the second conveying unit 30 located at the middle position P0 and the upper first position detection sensor S21 detects the lower end of the first conveying unit 10 located at the middle position P0, the first driving unit 71 drives the hanging wires 51 to 54 by a predetermined amount, thereby lowering the first conveying unit 10 and raising the second conveying unit 30. In addition, the first conveying unit 10 can also be lowered by the second driving unit 81 driving the pulling wires 61 to 64 by a predetermined amount to suppress the pulling wires 61 to 64 from being loosened.

[0099] Therefore, if Figure 5B As shown, the first conveying unit 10 moves to the conveying position P1 in contact with the first inspection unit 20, and the second conveying unit 30 moves to the conveying position P1 in contact with the second inspection unit 40. As a result, the four corners of the first conveying unit 10 can be reliably in contact with the first inspection unit 20, and the four corners of the second conveying unit 30 can be reliably in contact with the second inspection unit 40. In this way, in the state where the first conveying unit 10 is in contact with the first inspection unit 20 and the second conveying unit 30 is in contact with the second inspection unit 40, the hanging wires 51 to 54 have slack areas 51a to 54a. On the other hand, since the pulling wires 61 to 64 pull the first conveying unit 10 downward to make the first conveying unit 10 contact with the first inspection unit 20, the pulling wires 61 to 64 are not slack.

[0100] Next, when the first conveying unit 10 and the second conveying unit 30 are separated from the first inspection unit 20 or the second inspection unit 40, first, the control unit 91 controls the first conveying unit 10 and the second inspection unit 40 to move away from the first inspection unit 20 or the second inspection unit 40. Figure 5CAs shown in the figure, the second driving unit 81 is controlled to unwind the pulling wires 61 to 64 to form the slack areas 61a to 64a, and then the first driving unit 71 is controlled with a delay to raise the first conveyor 10 using the hanging wires 51 to 54. Thus, the first conveyor 10 is raised after the pulling wires 61 to 64 are relaxed. Since the first conveyor 10 is raised in a state where the pulling wires 61 to 64 are relaxed, the slack areas 61a to 64a of the pulling wires 61 to 64 can be eliminated after the rise of the first conveyor 10 is stopped by stopping the driving of the hanging wires 51 to 54 by the second driving unit 81 before stopping the driving of the hanging wires 51 to 54 by the first driving unit 71. In addition, since the above-mentioned relaxation areas 51a to 54a are pre-formed on the hanging metal wires 51 to 54, even if the first driving unit 71 and the second driving unit 81 start driving at the same time in order to raise the first conveying unit 10, the first conveying unit 10 can be raised after the pulling metal wires 61 to 64 are relaxed.

[0101] As mentioned above Figure 5C As shown, when the first conveying unit 10 and the second conveying unit 30 are located at the conveying position P1 and the hanging wires 51 to 54 have slack areas 51a to 54a and the pulling wires 61 to 64 have slack areas 61a to 64a, the user manually releases the connection with the hanging wires 51 to 54 and the connection with the pulling wires 61 to 64, thereby being able to remove the first conveying unit 10 for, for example, replacement or maintenance.

[0102] Here, if Figure 5C If the slack areas 51a to 54a of the hanging wires 51 to 54 and the slack areas 61a to 64a of the pulling wires 61 to 64 shown in the figure become larger, or if the slack of the hanging wires 51 to 54 and the pulling wires 61 to 64 becomes larger when the first conveying section 10 and the second conveying section 30 are raised or lowered, the hanging wires 51 to 54 and the pulling wires 61 to 64 may easily come into contact with other components such as the first driving section 71, the second driving section 81, the power transmission sections 72, 82, or the track of the first conveying section 10 may easily become unstable. In addition, if a large tension acts on the hanging wires 51 to 54 and the pulling wires 61 to 64 when the first conveying section 10 is raised or lowered, a load will act on the hanging wires 51 to 54 and the pulling wires 61 to 64, and then on the first driving section 71 and the second driving section 81.

[0103] Therefore, preferably, the control unit 91 controls the Figure 2 The control unit 91 adjusts the drive amount of the suspension wires 51 to 54 and the drive amount of the pulling wires 61 to 64 (the winding amount or the unwinding amount for the pulling wires 61 to 64) and controls at least one of the first drive unit 71 and the second drive unit 81 according to the drive amount of the first drive unit 71 measured by the first measuring unit 94 and the drive amount of the second drive unit 81 measured by the second measuring unit 95. For example, it is preferable that the control unit 91 adjusts the drive speed of the first drive unit 71 when it is determined that the slack amount of the suspension wires 51 to 54 has become greater than a certain amount or a load is applied to the suspension wires 51 to 54 based on the drive amount of the first drive unit 71 measured by the first measuring unit 94 and the drive amount of the second drive unit 81 measured by the second measuring unit 95. Alternatively, preferably, the control unit 91 adjusts the driving speed of the second driving unit 81 when it is determined that the slack amount of the pulling metal wire 61-pulling metal wire 64 has become greater than a certain amount or a load is applied to the pulling metal wire 61-pulling metal wire 64 based on the driving amount of the first driving unit 71 measured by the first measuring unit 94 and the driving amount of the second driving unit 81 measured by the second measuring unit 95.

[0104] As described above, if the first conveying unit 10 is raised so as to be away from the first inspection unit 20, and the second conveying unit 30 is lowered so as to be away from the second inspection unit 40, Figure 5D As shown, the lower second position detection sensor S12 detects the upper end of the second conveying unit 30, and the upper second position detection sensor S22 detects the lower end of the first conveying unit 10. At this time, the first conveying unit 10 and the second conveying unit 30 are located at the jam release position P2 when the jam of the medium M occurs in the inspection device 1. In addition, when the first conveying unit 10 and the second conveying unit 30 are returned to the conveying position P1, the first driving unit 71 and the second driving unit 81 may be started to drive at the same time.

[0105] Next, in order to remove the second conveying unit 30, Figure 5E As shown, the control unit 91 controls the first drive unit 71 and the second drive unit 81 so that the first conveying unit 10 is Figure 5DThe jam release position P2 shown further rises and causes the second conveying unit 30 to further descend than the jam release position P2. Then, when the second conveying unit 30 contacts the contacted portion 96 located below and stops (located at the removal position P3) and no longer descends, loose areas 51b to 54b are formed on the hanging wires 51 to 54. Thus, the user can manually release the connection with the hanging wires 51 to 54 and remove the second conveying unit 30 for replacement or maintenance, for example. In addition, the contacted portion 96 is preferably a plate or block material with a horizontal upper surface.

[0106] In the present embodiment described above, the inspection device (an example of a medium conveying mechanism) 1 comprises: a first conveying section 10 that conveys a medium M; a first inspection section (an example of a first processing section) 20 that is arranged opposite to the first conveying section 10 in the up-down direction and is used to process the medium M; flexible suspension wires (an example of a suspension member) 51 to 54 that are connected to the first conveying section (an example of a first suspension object) 10 that is the upper one of the first conveying section 10 and the first inspection section 20 and suspend the first conveying section 10; and flexible pulling wires (an example of a pulling member) 61 to 64 that pull the first conveying section 10 downward.

[0107] Thus, when the first conveying unit 10 is lowered to contact the first inspection unit 20, the first conveying unit 10 can be reliably contacted with the first inspection unit 20 not only by the hanging wires 51 to 54 for hanging the first conveying unit 10 but also by the pulling wires 61 to 64 for pulling the first conveying unit 10 downward. In addition, when the pulling wires 61 to 64 have no slack or only a small amount of slack during the raising and lowering of the first conveying unit 10, the track of the first conveying unit 10 can be stabilized. Therefore, in the present embodiment, the first conveying unit 10 (an example of the first suspended object) located above the first inspection unit 20 that is opposite to each other in the up and down directions can be raised and lowered with high precision. As a result, Figure 5B As shown, it is possible to prevent the inspection accuracy (processing accuracy) from being reduced during inspection (processing) in which the first transport unit 10 (and the second transport unit 30) and the first inspection unit 20 (and the second inspection unit 40) are brought into contact with each other.

[0108] In addition, in the present embodiment, the inspection device 1 further includes: a second conveying unit 30 disposed on the side opposite to the first conveying unit 10 in the vertical direction relative to the medium M, that is, on the lower side, on the upstream side (an example of the upstream side or the downstream side) of the first conveying unit 10 in the conveying direction D of the medium M; and a second inspection unit (an example of a second processing unit) 40 disposed on the side opposite to the first inspection unit 20 in the vertical direction relative to the medium M, that is, on the lower side, so as to face the second conveying unit 30 in the vertical direction, and the second inspection unit 40 processes the medium M. The second conveying unit 30 (an example of a second suspended object) 30, which is located at the lower side, is further connected to the second conveying unit 30 and the second inspection unit 40 by the suspension wires 51 to 54 and the second conveying unit 30 is suspended, so that one of the first conveying unit 10 and the second conveying unit 30 is raised and the other of the first conveying unit 10 and the second conveying unit 30 is lowered.

[0109] Thus, the first conveyor unit 10 and the second conveyor unit 30 can be raised and lowered by the single first drive unit 71. Furthermore, by stabilizing the trajectory of the first conveyor unit 10 when it is raised and lowered by using the second drive unit 81 as described above, the trajectory of the second conveyor unit 30 connected to the first conveyor unit 10 via the suspension wires 51 to 54 can also be stabilized when it is raised and lowered. Therefore, the first conveyor unit 10 and the second conveyor unit 30 can be raised and lowered with high precision by a simple structure.

[0110] In addition, in the present embodiment, the inspection device 1 further includes: a first drive unit 71 that drives the hanging wires 51 to 54; a second drive unit 81 that drives the pulling wires 61 to 64; and a control unit 91 that controls the first drive unit 71 and the second drive unit 81. The hanging wires 51 to 54 have slack areas 51a to 54a when the first conveyor 10 is in contact with the first inspection unit 20, which is the other of the first conveyor 10 and the first inspection unit 20 located below. The control unit 91 controls the first drive unit 71 and the second drive unit 81 so that the first conveyor 10 is raised by the hanging wires 51 to 54 after the pulling wires 61 to 64 are relaxed.

[0111] By providing the hanging wires 51 to 54 with the slack regions 51a to 54a, it is possible to suppress the load from being applied to the hanging wires 51 to 54 when the first conveying unit 10 is in contact with the first inspection unit 20. Furthermore, by raising the first conveying unit 10 in a state where the pulling wires 61 to 64 have the slack regions 61a to 64a, it is possible to suppress the load from being applied to the pulling wires 61 to 64 and further to the second driving unit 81 due to the large tension from being applied to the pulling wires 61 to 64.

[0112] In addition, in the present embodiment, the inspection device 1 further includes a first measuring unit 94 that measures the driving amount of the first driving unit 71 and a second measuring unit 95 that measures the driving amount of the second driving unit 81. The control unit 91 adjusts the driving amount of at least one of the first driving unit 71 and the second driving unit 81 based on the driving amount of the first driving unit 71 and the driving amount of the second driving unit 81.

[0113] Thus, the following situations caused by the deviation between the actual driving amount of the first driving part 71 and the second driving part 81 and the expected driving amount corresponding to the control signal of the control part 91 can be prevented: the hanging metal wires 51~hanging metal wires 54 and pulling metal wires 61~pulling metal wires 64 are greatly relaxed and come into contact with other components such as the first driving part 71, the second driving part 81, the power transmission part 72, 82, or a large tension acts on the hanging metal wires 51~hanging metal wires 54 and pulling metal wires 61~pulling metal wires 64, so that loads act on the hanging metal wires 51~hanging metal wires 54 and pulling metal wires 61~pulling metal wires 64, and then act on the first driving part 71 and the second driving part 81, or the track of the first conveying part 10 becomes unstable during the raising and lowering.

[0114] In addition, in the present embodiment, the control unit 91 drives the hanging metal wires 51 to 54 and the pulling metal wires 61 to 64 by controlling the first driving unit 71 and the second driving unit 81, so that when the medium M is transported by the first conveying unit 10 and the second conveying unit 30 and when the medium M is inspected by the first inspection unit 20 and the second inspection unit 40 (during processing), the first conveying unit 10 and the first inspection unit 20 are in contact with each other and the second conveying unit 30 and the second inspection unit 40 are in contact with each other, and when the medium M is unblocked, the first conveying unit 10 and the first inspection unit 20 are separated and the second conveying unit 30 and the second inspection unit 40 are separated.

[0115] As a result, the first conveying section 10 and the first inspection section 20, as well as the second conveying section 30 and the second inspection section 40, which are in contact when conveying and inspecting (processing) the medium M, are separated at the same time when clearing the jam of the medium M. Not only can the jammed medium M between the first conveying section 10 and the first inspection section 20 (or between the second conveying section 30 and the second inspection section 40) be removed smoothly, but the jammed medium M across the first conveying section 10 and the second conveying section 30 can also be removed smoothly.

[0116] In addition, in the present embodiment, in order to be able to remove the second conveying unit 30, the control unit 91 controls the first driving unit 71 to drive the suspension metal wires 51 to 54 until the following extent is reached: the suspension metal wires 51 to 54 cause the second conveying unit 30 to descend, and after the second conveying unit 30 contacts and stops with the contacted portion 96 located below, the suspension metal wires 51 to 54 relax (having relaxation areas 51b to 54b).

[0117] Thus, the second transport unit 30 can be removed by loosening the suspension wires 51 to 54 , and the second transport unit 30 can be removed in a stable state in which the second transport unit 30 is in contact with the contacted portion 96 .

[0118] <Another embodiment>

[0119] In the inspection device 2 as an example of the conveying mechanism of another embodiment, the method of removing the first conveying unit 10 as an example of the first hanging object is different from that of the inspection device 1 of the above-mentioned one embodiment. In addition, in another embodiment, the fixing of the first conveying unit 10 and the second conveying unit 30 when conveying the inspection device 2 is described again. Since other matters can be made the same as the above-mentioned one embodiment, common reference numerals are attached to each part and the description is omitted.

[0120] Figure 6 It is a front perspective view showing the inspection device 2 (in a transport state).

[0121] Figure 7 It is a front perspective view showing a part of the inspection device 2 (disassembled state).

[0122] Figure 8 2 is a front perspective view showing a part of the inspection device 2 (in a transport and fixed state). Figure 6 to Figure 8 and the following Fig. 9A and Fig. 9B The up-down direction, left-right direction, and front-back direction shown are directions for convenience of explanation only. For example, the up-down direction is a vertical direction, and the left-right direction and front-back direction are horizontal directions.

[0123] exist Figure 6 to Figure 8In FIG. 2 , the inspection device 2 is shown together with the housing 210 which is omitted in the above-mentioned embodiment. Figure 6 to Figure 8 In the figure, the drawing wires 61 to 64 are omitted. In addition, the suspension wires 51 to 54 are partially blocked by the front side plate 211 and the like and are not shown.

[0124] like Figure 6 As shown, the housing 210 has a front side plate 211 provided at the front end of the housing 210, a rear side plate 212 provided at the rear end of the housing 210, and a storage portion 213. The housing 210 contains the first conveying portion 10 (an example of the first hanging object), the first inspection portion 20 (an example of the first processing portion), the second conveying portion 30 (an example of the second hanging object), and the second inspection portion 40 (an example of the second processing portion).

[0125] The storage portion 213 is disposed between the upper portion of the front side plate 211 and the upper portion of the rear side plate 212, and stores the downstream side fixed shafts 221, 222, the downstream side fixed plates 223, 224, the upstream side fixed shafts 231, 232, and the upstream side fixed plate 233. In addition, preferably, the downstream side fixed shafts 221, 222 and the upstream side fixed shafts 231, 232 stored in the storage portion 213 are respectively fixed to the front side plate 211 at the front end by, for example, screws, and fixed to the rear side plate 212 at the rear end in a manner that allows for assembly and disassembly.

[0126] The downstream side fixing shafts 221 and 222 and the downstream side fixing plates 223 and 224 are located at the first mounting position P11 (see Figure 7 ( Fig. 9A )) and the transport inspection device 2, the first transport unit 10 is fixed to the second mounting position P12 (refer to Figure 8 ( Fig. 9B )), and can be detachably mounted on the housing 210 by, for example, a screw. In addition, the first mounting position P11 can be the same position as the second mounting position P12, but here the first mounting position P11 is a position different from the second mounting position P12 (for example, a position below the second mounting position P12). In addition, the transportation of the inspection device 2 is, for example, transportation from the factory to the user, but it can also be transportation accompanied by a change in the configuration location of the inspection device 2. In addition, the downstream side fixed shafts 221, 222 are an example of a detachable component. As the detachable component, it is not limited to two cylindrical shaft components such as the downstream side fixed shafts 221, 222, and can be of any shape and any number. In addition, if the downstream side fixed shafts 221, 222 can be directly mounted on the housing 210 (the front side plate 211 and the rear side plate 212), the downstream side fixed plates 223, 224 can be omitted.

[0127] For example, Figure 7 As shown, one downstream side fixing plate 223 is fixed to the front side plate 211 at the first mounting position P11, and the other downstream side fixing plate 224 is fixed to the rear side plate 212 at the first mounting position P11. In addition, the downstream side fixing shafts 221 and 222 are fixed to the downstream side fixing plate 223 at the first mounting position P11 in the lifting path of the first conveying unit 10 at the same height and spaced apart in the left-right direction, and the front end is fixed to the downstream side fixing plate 223, and the rear end is fixed to the downstream side fixing plate 224. The downstream side fixing shafts 221 and 222 at the first mounting position P11 are used to place the first conveying unit 10 when it is removed for replacement or maintenance, for example.

[0128] Likewise, if Figure 8 As shown, one downstream side fixing plate 223 is fixed to the front side plate 211 at the second mounting position P12, and the other downstream side fixing plate 224 is fixed to the rear side plate 212 at the second mounting position P12. In addition, the downstream side fixing shafts 221 and 222 penetrate the first conveying unit 10 at the second mounting position P12 at the same height and at intervals in the left-right direction, so that the front end is fixed to the downstream side fixing plate 223 and the rear end is fixed to the downstream side fixing plate 224. For example, when the inspection device 2 is transported and fixed, the downstream side fixing shafts 221 and 222 at the second mounting position P12 penetrate the first conveying unit 10 and fix the first conveying unit 10 so that it cannot move.

[0129] In addition, the upstream fixed shafts 231 and 232 are only Fig. 9B , but the upstream fixed shafts 231, 232 and the upstream fixed plate 233 are detachably mounted to the housing 210 by, for example, screws at a mounting position where the second conveying unit 30 is fixed so as not to be movable when the inspection device 2 is transported. In addition, unlike the downstream fixed plates 223, 224, the upstream fixed plate 233 is a single component, and the upstream fixed shafts 231, 232 are fixed to the upstream fixed plate 233 at the same height and spaced apart in the left-right direction, and the rear ends are fixed to the rear side plate 212. In addition, if the upstream fixed shafts 231, 232 can be directly mounted to the housing 210 (the front side plate 211 and the rear side plate 212), the upstream fixed plate 233 can also be omitted.

[0130] Here, the second conveying unit 30 is placed on the contacted portion 96 of the above-mentioned embodiment when replaced, but when the upstream fixed shafts 231, 232 and the upstream fixed plate 233 are installed at the installation position for replacing the second conveying unit 30, the second conveying unit 30 may be placed on the upstream fixed shafts 231, 232. In this case, the upstream fixed shafts 231, 232 function as an example of the contacted portion. Thus, the second conveying unit 30 can be removed by using a simple structure of the upstream fixed shafts 231, 232 used to fix the second conveying unit 30 so as to be immovable.

[0131] Next, the operation of the inspection device 2 will be described. Fig. 9A and Fig. 9B 2 is a front view for explaining the lifting and lowering operation of the first conveying unit 10 and the second conveying unit 30 of the inspection device 2. Fig. 9A and Fig. 9B In the figure, the suspension wire 53 overlaps with the suspension wire 51 and is thus blocked and not shown, and the suspension wire 54 overlaps with the suspension wire 52 and is thus blocked and not shown, but the reference numerals of the suspension wires 53 and 54 are recorded together with the reference numerals of the suspension wires 51 and 52. Fig. 9A and Fig. 9B In the figure, the pulling metal wire 63 overlaps with the pulling metal wire 61 and is thus blocked and not shown, and the pulling metal wire 64 overlaps with the pulling metal wire 62 and is thus blocked and not shown, but the figure marks of the pulling metal wires 63 and 64 are recorded together with the figure marks of the pulling metal wires 61 and 62.

[0132] First, in Figure 7 As shown in the figure, the downstream fixed shafts 221 and 222 are installed at the first installation position P11 before being installed on the housing 210. Figure 2 The control of the control unit 91 shown causes the first drive unit 71 to drive the hanging wires 51 to 54 by a predetermined amount, thereby raising the first conveyor unit 10 to a position above the downstream fixed shafts 221 and 222 at the first attachment position P11.

[0133] And, if Fig. 9AAs shown, in order to remove the first conveying unit 10, the control unit 91 controls the first driving unit 71 so that the hanging wires 51 to 54 lower the first conveying unit 10 from above the downstream fixed shafts 221 and 222 in a state fixed at the first mounting position P11. Then, when the first conveying unit 10 stops (removal position P4) by contacting with the downstream fixed shafts 221 and 222 located below and does not descend any more, slack areas 51c to 54c are formed on the hanging wires 51 to 54. In addition, the control unit 91 controls the second driving unit 81 so that slack areas 61b to 64b are formed on the pulling wires 61 to 64 when the first conveying unit 10 stops by contacting with the downstream fixed shafts 221 and 222. In the state where the hanging wires 51 to 54 and the pulling wires 61 to 64 are thus loosened, the user manually releases the connection between the first conveying unit 10 and the hanging wires 51 to 54 and the connection between the first conveying unit 10 and the pulling wires 61 to 64, thereby being able to remove the first conveying unit 10 for, for example, replacement or maintenance. In addition, when the first conveying unit 10 and the first inspection unit 20 are positioned by inserting a pin extending in the vertical direction provided in one of the first conveying unit 10 and the first inspection unit 20 into a hole provided in the other of the first conveying unit 10 and the first inspection unit 20, it is preferred that the removal position P4 of the first conveying unit 10 is a position where the pin can be pulled out of the hole.

[0134] Next, in Figure 8 As shown, before the downstream side fixed shafts 221, 222 are installed on the shell 210 at the second installation position P12, the control unit 91 controls the first drive unit 71 and the second drive unit 81 to lift the first conveying unit 10 and the second conveying unit 30 to the conveying fixed position P5 of the downstream side fixed shafts 221, 222 fixed at the second installation position P12.

[0135] Then, if Fig. 9B As shown, the inspection device 2 is transported in a state where the downstream fixed shafts 221 and 222 are mounted at the second mounting position P12 where the first transport unit 10 at the transport fixed position P5 is fixed so as to be immovable, and the upstream fixed shafts 231 and 232 are mounted at the second mounting position P12 where the second transport unit 30 at the transport fixed position P5 is fixed so as to be immovable. In addition, when positioning with the first inspection unit 20 or positioning with the second inspection unit 40 is performed by inserting the above-mentioned pin into the hole, it is preferable that the removal position P4 of the first transport unit 10 and the second transport unit 30 is a position where the pin can be pulled out from the hole.

[0136] In the other embodiment described above, the same effects as those of the above-described one embodiment can be obtained, for example, the effect of accurately raising and lowering the first conveying unit 10 (an example of the first suspended object) can be obtained.

[0137] In addition, in the present embodiment, the inspection device 2 further includes downstream fixed shafts 221, 222 as an example of a detachable component, and the downstream fixed shafts 221, 222 can be detachably mounted on the shell 210 at the first mounting position P11. In order to be able to remove the first conveying unit 10 as an example of a first hanging object, the control unit 91 controls the first driving unit 71 to drive the hanging metal wires 51 to 54 until the following extent is reached: the hanging metal wires 51 to 54 cause the first conveying unit 10 to descend from above the downstream fixed shafts 221, 222, and after the first conveying unit 10 contacts the downstream fixed shafts 221, 222 and stops, the hanging metal wires 51 to 54 relax (having relaxation areas 51c to 54c).

[0138] Thus, compared to the technical solution of removing the first conveying unit 10 in a state of contact with the first inspection unit 20, the first conveying unit 10 can be easily removed without making the first conveying unit 10 contact the first inspection unit 20. Therefore, when the first conveying unit 10 is replaced or maintained in a state of contact with the first inspection unit 20, the setting position of the first inspection unit 20 may be changed due to the user's operation, but when the first conveying unit 10 is replaced or maintained in a state of non-contact with the first inspection unit 20, the above-mentioned change can be avoided, and the reduction of the inspection accuracy of the first inspection unit 20 can be avoided.

[0139] In the present embodiment, the downstream fixed shafts 221 and 222 as an example of a detachable member are detachably mounted to the housing 210 not at the first mounting position P11 but at the second mounting position P12 where the first transport unit 10 is immovably fixed.

[0140] Thus, the first conveying unit 10 can be fixed so as not to move by using a simple structure using the downstream fixed shafts 221 and 222 used for removing the first conveying unit 10. Therefore, by fixing the downstream fixed shafts 221 and 222 at the second mounting position P12, the downstream fixed shafts 221 and 222 can be used even when the inspection device 2 needs to be transported in a fixed manner, and the replaceability is also good when the first conveying unit 10 is replaced.

[0141] In addition, the present invention is not limited to the above-mentioned embodiments themselves. In the implementation stage, the constituent elements can be deformed and concretized within the scope of the main purpose. In addition, various inventions can be formed by appropriate combinations of multiple constituent elements disclosed in the above-mentioned embodiments. For example, all the constituent elements shown in the embodiments can also be appropriately combined. It goes without saying that various deformations and applications can be made within the scope of the main purpose of the invention. Below, the technical solution recorded in the claims at the time of the original application of this application is recorded.

[0142] [Technical solution 1]

[0143] A medium conveying mechanism, characterized in that the medium conveying mechanism comprises: a first conveying part, which conveys a medium; a first processing part, which is arranged in a manner opposite to the first conveying part in the up and down direction and is used to process the medium; a flexible hanging member, which is connected to a first hanging object, which is one of the first conveying part and the first processing part located above, and hangs the first hanging object; and a flexible pulling member, which pulls the first hanging object downward.

[0144] [Technical Solution 2]

[0145] The medium conveying mechanism according to technical solution 1 is characterized in that the medium conveying mechanism also includes: a second conveying part, which is arranged on the upstream side or downstream side of the first conveying part in the conveying direction of the medium and is opposite to the first conveying part in the up-down direction relative to the medium; and a second processing part, which is arranged on the side opposite to the first processing part in the up-down direction relative to the medium in a manner opposite to the second conveying part in the up-down direction, and is used to process the medium, and is further connected to a second hanging object which is one of the second conveying part and the second processing part located below through the hanging member and hangs the second hanging object, so that when one of the first hanging object and the second hanging object is raised, the other of the first hanging object and the second hanging object is lowered.

[0146] [Technical Solution 3]

[0147] The medium conveying mechanism according to technical solution 1 or 2 is characterized in that the medium conveying mechanism also includes: a first driving unit, which drives the suspension member; a second driving unit, which drives the pulling member; and a control unit, which controls the first driving unit and the second driving unit, the suspension member has a relaxation area when the first suspended object is in contact with the other of the first conveying unit and the first processing unit located below, and the control unit controls the first driving unit and the second driving unit so that the first suspended object is raised by using the suspension member after the pulling member is relaxed.

[0148] [Technical Solution 4]

[0149] The medium conveying mechanism according to Technical Solution 3 is characterized in that the medium conveying mechanism also includes: a first measuring unit, which measures the driving amount of the first driving unit; and a second measuring unit, which measures the driving amount of the second driving unit, and the control unit adjusts the driving amount of at least one of the first driving unit and the second driving unit according to the driving amount of the first driving unit and the driving amount of the second driving unit.

[0150] [Technical Solution 5]

[0151] The medium conveying mechanism according to technical solution 2 is characterized in that the medium conveying mechanism also includes: a first driving unit, which drives the hanging member; a second driving unit, which drives the pulling member; and a control unit, which controls the first driving unit and the second driving unit, and the control unit drives the hanging member and the pulling member by controlling the first driving unit and the second driving unit, so that when the first conveying unit and the second conveying unit are used to convey the medium and when the first processing unit and the second processing unit are used to process the medium, the first conveying unit and the first processing unit are in contact with each other and the second conveying unit and the second processing unit are in contact with each other, and when the medium is unblocked, the first conveying unit and the first processing unit are separated and the second conveying unit and the second processing unit are separated.

[0152] [Technical Solution 6]

[0153] The medium conveying mechanism according to Technical Solution 2 is characterized in that the medium conveying mechanism also includes: a first driving unit, which drives the suspension member; and a control unit, which controls the first driving unit. In order to be able to remove the second suspended object, the control unit controls the first driving unit to drive the suspension member until the following extent is reached: the suspension member causes the second suspended object to descend, and after the second suspended object contacts and stops with the contacted portion located below, the suspension member relaxes.

[0154] [Technical Solution 7]

[0155] The medium conveying mechanism according to technical solution 1 or 2 is characterized in that the medium conveying mechanism also includes: a disassembly component, which can be detachably installed on the shell at the first installation position; a first driving unit, which drives the hanging component; and a control unit, which controls the first driving unit, and in order to be able to remove the first hanging object, the control unit controls the first driving unit to drive the hanging component until the following degree is reached: the hanging component causes the first hanging object to descend from above the disassembly component, and after the first hanging object contacts the disassembly component and stops, the hanging component relaxes.

[0156] [Technical Solution 8]

[0157] The medium transport mechanism according to claim 7 is characterized in that the detachable member is detachably mounted to the housing not at the first mounting position but at a second mounting position where the first hanging object is fixed so as to be immovable.

Claims

1. A medium conveying mechanism, characterized in that: The medium conveying mechanism has: A first conveying part, which conveys a medium; a first processing unit disposed in a manner opposed to the first conveying unit in a vertical direction and configured to process the medium; a flexible hanging member connected to a first hanging object which is one of the first transport unit and the first processing unit located above, and hanging the first hanging object; and a flexible pulling member that pulls the first suspended object downward, The medium conveying mechanism also has: a second conveying portion disposed upstream or downstream of the first conveying portion in the conveying direction of the medium and on the side opposite to the first conveying portion in the up-down direction with respect to the medium; and a second processing section disposed on the side opposite to the first processing section in the vertical direction with respect to the medium so as to face the second conveying section in the vertical direction, and for processing the medium; The hanging member is further connected to a second hanging object which is one of the second conveying section and the second processing section and is hung thereon, so that when one of the first hanging object and the second hanging object is raised, the other of the first hanging object and the second hanging object is lowered.

2. The medium conveying mechanism according to claim 1, characterized in that: The medium conveying mechanism also has: a first driving unit that drives the suspension member; a second driving unit that drives the pulling member; and a control unit that controls the first drive unit and the second drive unit, The hanging member has a slack region in a state where the first hanging object is in contact with the other one of the first conveying unit and the first processing unit located below. The control unit controls the first drive unit and the second drive unit so that the first suspended object is lifted by the hanging member after the pulling member is relaxed.

3. The medium conveying mechanism according to claim 2, characterized in that: The medium conveying mechanism also has: a first measuring unit that measures a driving amount of the first driving unit; and a second measuring unit that measures the driving amount of the second driving unit, The control unit adjusts the driving amount of at least one of the first driving unit and the second driving unit according to the driving amount of the first driving unit and the driving amount of the second driving unit.

4. The medium conveying mechanism according to claim 1, characterized in that: The medium conveying mechanism also has: a first driving unit that drives the suspension member; a second driving unit that drives the pulling member; and a control unit that controls the first drive unit and the second drive unit, The control unit drives the hanging member and the pulling member by controlling the first driving unit and the second driving unit, so that when the medium is transported by the first conveying unit and the second conveying unit and when the medium is processed by the first processing unit and the second processing unit, the first conveying unit and the first processing unit are in contact with each other, and the second conveying unit and the second processing unit are in contact with each other, and when the medium is unblocked, the first conveying unit and the first processing unit are separated, and the second conveying unit and the second processing unit are separated.

5. The medium conveying mechanism according to claim 1, characterized in that: The medium conveying mechanism also has: a first driving unit that drives the suspension member; and a control unit that controls the first driving unit, In order to remove the second suspended object, the control unit controls the first drive unit to drive the suspension member until the suspension member lowers the second suspended object and the suspension member is relaxed after the second suspended object comes into contact with a contacted portion located below and stops.

6. The medium conveying mechanism according to claim 1, characterized in that: The medium conveying mechanism also has: a disassembly component, which is detachably mounted on the housing at a first mounting position; a first driving unit that drives the suspension member; and a control unit that controls the first driving unit, In order to remove the first hanging object, the control unit controls the first driving unit to drive the hanging member until the hanging member lowers the first hanging object from above the detachable member, and the hanging member relaxes after the first hanging object comes into contact with the detachable member and stops.

7. The medium conveying mechanism according to claim 6, characterized in that: The detachable member is detachably mounted to the housing at a second mounting position where the first suspended object is immovably fixed, not at the first mounting position.

Images