Drag chain device and transverse cutting machine
By introducing a hollow temperature control plate into the drag chain device, the temperature control medium is circulated and arranged adjacent to the drag chain, the problem of poor insulation effect of the drag chain device in high temperature environment is solved, and more efficient heat insulation and temperature adjustment is achieved, which extends the life of the components and reduces operating costs.
Patent Information
- Application Number
- CN202421639138.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing drag chain devices cannot be effectively insulated in high temperature environments, resulting in increased losses of drag chains and internal components or structures, shortened service life and increased operating costs.
A drag chain device is designed, including a drag chain and a temperature regulating plate. The temperature regulating plate is a hollow structure, and the temperature regulating medium is circulated in the flow, arranged adjacent to the drag chain and parallel to it, and is located on one side of the drag chain groove to improve the insulation effect and adjust the temperature of the components.
Through the setting of the temperature regulating plate, the insulation effect of components in the drag chain groove is significantly improved, avoiding the temperature rise too quickly, extending the life of components, reducing operating costs, simplifying the structure, and improving practicality.
Smart Images

Figure CN222948259U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of heat insulation technology, and in particular to a drag chain device and a cross-cutting machine. Background Art
[0002] At present, in the production process of OLED substrate glass, from upstream equipment to downstream equipment, a cross-cutting machine is needed to cut the glass according to the required size. Because the temperature of the glass flowing out of the upstream equipment is as high as 300°C and there is a possibility of breakage, the cross-cutting machine has high requirements on various performances, especially high temperature resistance.
[0003] However, the current drag chain slot only supports the drag chain, and has poor heat insulation effect, and cannot protect the drag chain and its internal components or structures. In a high temperature environment, if the heat insulation is not good, the drag chain and its internal gas path, circuit, etc. will be greatly damaged, greatly reducing its service life and increasing operating costs.
[0004] Therefore, how to provide a drag chain device that can protect the components or structures inside the drag chain has become an urgent problem to be solved. Utility Model Content
[0005] A technical problem to be solved by the present application is: how to protect the components or structures inside the drag chain.
[0006] In order to solve the above technical problems, the embodiment of the present application provides a drag chain device, comprising:
[0007] Drag chain, the drag chain is formed with a drag chain groove, and components are arranged in the drag chain groove;
[0008] The temperature regulating plate is adjacent to and parallel to the drag chain. The temperature regulating plate is located on one side of the drag chain slot. The temperature regulating plate is a hollow structure, and a temperature regulating medium flows in the temperature regulating plate.
[0009] In some embodiments, the temperature regulating plate has an inlet and an outlet at both ends along the length direction, respectively. The temperature regulating medium enters the temperature regulating plate through the inlet and is discharged from the outlet.
[0010] In some embodiments, a first connecting piece is provided at the inlet for connecting to an air inlet pipe, and a second connecting piece is provided at the outlet for connecting to an air outlet pipe.
[0011] In some embodiments, the first connector and the second connector are threaded through.
[0012] In some embodiments, a plurality of temperature regulating channels extending along the length direction are arranged in the temperature regulating plate, and both ends of each temperature regulating channel are respectively connected to the inlet and the outlet.
[0013] In some embodiments, the temperature control plate includes a first plate body, a second plate body, a third plate body, a fourth plate body, a fifth plate body and a sixth plate body. The first plate body is parallel to the second plate body and is spaced apart from each other, the third plate body is parallel to the fourth plate body and is spaced apart from each other, the fifth plate body is parallel to the sixth plate body and is spaced apart from each other, and the four sides of the first plate body and the second plate body are respectively connected by the third plate body, the fourth plate body, the fifth plate body and the sixth plate body to form a hollow temperature control plate.
[0014] In some embodiments, it also includes:
[0015] The guide rail is arranged on the other side of the drag chain away from the temperature regulating plate. The guide rail is fixedly connected to the temperature regulating plate, and the extension direction of the guide rail is parallel to the drag chain.
[0016] In some embodiments, it also includes:
[0017] The back plate is slidably connected to the guide rail along the length direction of the guide rail, and a drag chain is fixedly connected to the first side of the back plate to drive the drag chain to move along the length direction of the guide rail.
[0018] In some embodiments, it also includes:
[0019] The cutting knife assembly is fixedly arranged on the second side of the back plate. The cutting knife assembly includes a cutting knife. The cutting knife extends relative to the temperature regulating plate in a direction perpendicular to the length direction of the guide rail and is used to cut the product to be cut along the length direction of the guide rail.
[0020] On the other hand, the present application also provides a cross-cutting machine, including the drag chain device as described above, and therefore includes all the technical features and beneficial technical effects of the drag chain device as described above, which will not be repeated here.
[0021] Through the above technical scheme, the present application provides a drag chain device, including a drag chain and a temperature regulating plate, the drag chain has a drag chain groove, components are arranged in the drag chain groove, the temperature regulating plate is arranged adjacent to the drag chain, and the temperature regulating plate is parallel to the extension direction of the drag chain, so that the temperature regulating plate is located on one side of the drag chain groove, and the temperature regulating plate is a hollow structure, that is, the temperature regulating plate is a double-layer structure, so that the setting of the temperature regulating plate can greatly improve the heat insulation effect of the components in the drag chain groove, and avoid the temperature of the components in the drag chain groove from rising too quickly, and a temperature regulating medium flows in the hollow structure of the temperature regulating plate, and the temperature regulating medium can regulate the temperature of the components in the drag chain groove, thereby reducing the loss of the components in the drag chain groove, and on the premise that the size remains basically unchanged and does not affect the normal use of the machine, more heat can be isolated, and the temperature of the components can also be regulated, thereby achieving the effect of extending the life of the components in the drag chain groove, so that the machine can operate better, reduce maintenance and operation costs, and has a simple structure and strong practicality. When components in the drag chain slot need to be replaced, the lower temperature environment also facilitates replacement, saves time and costs, reduces the risk factor, and greatly improves production efficiency and production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 It is a structural schematic diagram of a drag chain device disclosed in an embodiment of the present application;
[0024] Figure 2 is a top view of a drag chain device disclosed in an embodiment of the present application;
[0025] Figure 3 It is a side view of a drag chain device disclosed in an embodiment of the present application.
[0026] Description of reference numerals:
[0027] 1. Drag chain device; 11. Drag chain; 12. Temperature regulating plate; 121. First connecting piece; 122. Second connecting piece; 13. Guide rail; 14. Back plate; 15. Cutting knife assembly. DETAILED DESCRIPTION
[0028] The following is a further detailed description of the implementation methods of the present application in conjunction with the accompanying drawings and examples. The detailed descriptions of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application. The present application can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
[0029] The present application provides these embodiments to make the present application thorough and complete, and to fully express the scope of the present application to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.
[0030] It should be noted that, in the description of this application, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, 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. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0031] In addition, the words "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.
[0032] It should also be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.
[0033] All terms used in this application have the same meaning as those understood by those of ordinary skill in the art to which this application belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.
[0034] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.
[0035] like Figures 1 to 3 As shown, the present application provides a drag chain device 1, comprising:
[0036] The drag chain 11 is formed with a drag chain groove, and components are arranged in the drag chain groove;
[0037] The temperature regulating plate 12 is adjacent to and parallel to the drag chain 11 . The temperature regulating plate 12 is located at one side of the drag chain slot. The temperature regulating plate 12 is a hollow structure, and a temperature regulating medium flows in the temperature regulating plate 12 .
[0038] In this embodiment, the temperature control medium may be a gas medium, compressed air, or a liquid medium.
[0039] The present application provides a drag chain device 1, comprising a drag chain 11 and a temperature regulating plate 12, wherein the drag chain 11 has a drag chain slot, components are arranged in the drag chain slot, the temperature regulating plate 12 is arranged adjacent to the drag chain 11, and the extension direction of the temperature regulating plate 12 and the drag chain 11 is parallel, so that the temperature regulating plate 12 is located on one side of the drag chain slot, and the temperature regulating plate 12 is a hollow structure, that is, the temperature regulating plate 12 is a double-layer structure, so that the arrangement of the temperature regulating plate 12 can greatly improve the heat insulation effect of the components in the drag chain slot, and avoid the temperature of the components in the drag chain slot from rising too fast, and the temperature regulating medium flows in the hollow structure of the temperature regulating plate 12, and the temperature regulating medium can regulate the temperature of the components in the drag chain slot, so as to reduce the loss of the components in the drag chain slot, so as to achieve the effect of extending the life of the components in the drag chain slot and reduce the operating cost. When the components in the drag chain slot need to be replaced, the low temperature environment also facilitates the replacement, saves time cost, reduces the risk factor, and greatly improves the production efficiency and production cost.
[0040] In the embodiment of the present application, the temperature regulating plate 12 has an inlet and an outlet at both ends along the length direction, respectively. The temperature regulating medium enters the temperature regulating plate 12 through the inlet and is discharged from the outlet.
[0041] In this embodiment, the temperature regulating plate 12 has a first end and a second end along the length direction, and an inlet and an outlet are respectively provided on the first end and the second end of the temperature regulating plate 12, and the inlet and the outlet are both connected to the interior of the temperature regulating plate 12. The temperature regulating medium enters the interior of the temperature regulating plate 12 through the inlet of the first end of the temperature regulating plate 12 for circulation, and then is discharged from the outlet of the second end of the temperature regulating plate 12, so that the temperature regulating medium can achieve continuous flow in the temperature regulating plate 12, and then can continuously regulate the temperature of the components in the drag chain slot, thereby avoiding the temperature increase of the components in the drag chain slot, thereby further improving the life of the components in the drag chain slot.
[0042] like Figure 1 As shown, in the embodiment of the present application, a first connecting member 121 is provided at the inlet for connecting to the air inlet pipe, and a second connecting member 122 is provided at the outlet for connecting to the air outlet pipe.
[0043] In this embodiment, the temperature regulating plate 12 has a first end and a second end along the length direction, the first end has an inlet, and the second end has an outlet, the inlet is provided with a first connecting piece 121, and can be connected to an inlet pipe through the first connecting piece 121, so that the temperature regulating medium is introduced into the temperature regulating plate 12 through the inlet pipe to circulate inside the temperature regulating plate 12, and the outlet of the temperature regulating plate 12 is provided with a second connecting piece 122, and the second connecting piece 122 can be connected to an outlet pipe, so that the temperature regulating medium inside the temperature regulating plate 12 is exported through the outlet pipe, so as to realize the continuous flow of the temperature regulating medium in the temperature regulating plate 12, so as to continuously regulate the temperature of the components in the drag chain slot, avoid the components in the drag chain slot from being too high, and thus improve the life of the components in the drag chain slot.
[0044] In the embodiment of the present application, the first connecting member 121 and the second connecting member 122 are straight-through threads.
[0045] In this embodiment, the first connecting member 121 can be a straight thread, and the second connecting member 122 can also be a straight thread, so as to be connected to the inlet pipe and the outlet pipe through threads, so as to facilitate the detachable connection of the inlet pipe and the outlet pipe with the first connecting member 121 and the second connecting member 122.
[0046] In the embodiment of the present application, a plurality of temperature regulating channels extending along the length direction are arranged in the temperature regulating plate 12 , and both ends of each temperature regulating channel are respectively connected to the inlet and the outlet.
[0047] In this embodiment, a plurality of temperature regulating channels are arranged in the temperature regulating plate 12, each of which extends along the length direction, and the plurality of temperature regulating channels are arranged in sequence along a direction perpendicular to the length direction, and the plurality of temperature regulating channels have a certain spacing distance between the first end and the second end of the temperature regulating plate 12 near the first end and the second end of the temperature regulating plate 12, so that one end of each temperature regulating channel is connected to the inlet, and the other end of each temperature regulating channel is connected to the outlet, so that after the temperature regulating medium enters the temperature regulating plate 12, it can enter any temperature regulating channel and circulate along the length direction of the temperature regulating channel, so that the flow of the temperature regulating medium is smoother and more directional, avoiding problems with the flow direction of the temperature regulating medium in the temperature regulating plate 12.
[0048] In this embodiment, a pump body is provided on the inlet pipe to drive the temperature regulating medium to flow in the temperature regulating plate 12 along the length direction of the temperature regulating plate 12 , thereby improving the temperature regulating effect of the temperature regulating plate 12 .
[0049] In the embodiment of the present application, the temperature control plate 12 includes a first plate body, a second plate body, a third plate body, a fourth plate body, a fifth plate body and a sixth plate body. The first plate body is parallel to the second plate body and is spaced apart from each other, the third plate body is parallel to the fourth plate body and is spaced apart from each other, the fifth plate body is parallel to the sixth plate body and is spaced apart from each other, and the four sides of the first plate body and the second plate body are respectively connected by the third plate body, the fourth plate body, the fifth plate body and the sixth plate body to form a hollow temperature control plate 12.
[0050] In this embodiment, the temperature control plate 12 is formed by a first plate body, a second plate body, a third plate body, a fourth plate body, a fifth plate body and a sixth plate body to form a quadrangular prism structure. The first plate body is arranged in parallel with the second plate body, the third plate body is arranged in parallel with the fourth plate body, and the fifth plate body is arranged in parallel with the sixth plate body, thereby forming a hollow structure with an accommodating space inside. An inlet and an outlet are respectively provided on the third plate body and the fourth plate body, and a plurality of temperature control channels are provided in the accommodating space inside the temperature control plate 12 along the length direction of the first plate body to realize the circulation of the temperature control medium.
[0051] like Figures 1 to 3 As shown, in the embodiment of the present application, it also includes:
[0052] The guide rail 13 is arranged on the other side of the drag chain 11 away from the temperature regulating plate 12 . The guide rail 13 is fixedly connected to the temperature regulating plate 12 , and an extending direction of the guide rail 13 is parallel to the drag chain 11 .
[0053] In this embodiment, the drag chain device 1 includes a drag chain 11, a temperature regulating plate 12 and a guide rail 13. The extension directions of the drag chain 11, the temperature regulating plate 12 and the guide rail 13 are the same. The temperature regulating plate 12 and the guide rail 13 are respectively arranged on both sides of the drag chain 11, and the guide rail 13 is fixedly connected to the drag chain 11, so that the guide rail 13 can further enclose and seal the drag chain groove formed by the drag chain 11, thereby improving the insulation effect of the components in the drag chain groove.
[0054] like Figure 1 and Figure 2 As shown, in the embodiment of the present application, it also includes:
[0055] The back plate 14 is slidably connected to the guide rail 13 along the length direction of the guide rail 13 , and the first side of the back plate 14 is fixedly connected with the drag chain 11 to drive the drag chain 11 to move along the length direction of the guide rail 13 .
[0056] In this embodiment, the drag chain device 1 includes a drag chain 11, a temperature regulating plate 12, a guide rail 13 and a back plate 14. The extension directions of the temperature regulating plate 12 and the guide rail 13 are the same. The temperature regulating plate 12 and the guide rail 13 are respectively arranged on both sides of the drag chain 11, and the guide rail 13 is fixedly connected to the drag chain 11. The back plate 14 is arranged above the drag chain 11 and the guide rail 13. The back plate 14 is slidably connected to the guide rail 13, so that the back plate 14 can reciprocate on the guide rail 13, and the back plate 14 is fixedly connected to the drag chain 11, so that when the back plate 14 moves along the length direction of the guide rail 13, it can drive the drag chain 11 to move along the length direction of the guide rail 13, so as to drive the drag chain 11 to operate.
[0057] In the embodiment of the present application, it also includes:
[0058] The cutting knife assembly 15 is fixedly arranged on the second side of the back plate 14, and the cutting knife assembly 15 includes a cutting knife, which extends relative to the temperature regulating plate 12 in a direction perpendicular to the length direction of the guide rail 13, and is used to cut the product to be cut along the length direction of the guide rail 13.
[0059] In this embodiment, the drag chain device 1 includes a drag chain 11, a temperature regulating plate 12, a guide rail 13, a back plate 14 and a cutting knife assembly 15. The extension directions of the temperature regulating plate 12 and the guide rail 13 are the same. The temperature regulating plate 12 and the guide rail 13 are respectively arranged on both sides of the drag chain 11, and the guide rail 13 is fixedly connected to the drag chain 11. The back plate 14 is arranged above the drag chain 11 and the guide rail 13, that is, the first side of the back plate 14 is provided with the drag chain 11 and the guide rail 13, the back plate 14 is slidably connected to the guide rail 13, and the cutting knife assembly 15 is fixedly arranged on the second side of the back plate 14 away from the drag chain 11, so that when the back plate 14 slides along the length direction of the guide rail 13, the drag chain 11 and the cutting knife assembly 15 can be driven to slide along the length direction of the guide rail 13. The cutting knife assembly 15 includes a cutting knife, and the cutting knife extends relative to the temperature regulating plate 12 in a direction perpendicular to the length direction of the guide rail 13, so that the glass substrate arranged on the other side of the temperature regulating plate 12 relative to the drag chain 11 can be cut.
[0060] In the embodiment of the present application, the cutting knife assembly 15 further includes a driving member, which is connected to the cutting knife to drive the cutting knife to retract or extend.
[0061] In this embodiment, the cutting knife assembly 15 includes a driving member and a cutting knife. The cutting knife is arranged in a direction perpendicular to the extension direction of the guide rail 13. The driving member is connected to the cutting knife, so that under the action of the driving member, the cutting knife can be extended from the cutting knife assembly 15 relative to the temperature control plate 12. The extended cutting knife can cut the glass substrate along the length direction of the guide rail 13 when the back plate 14 slides along the length direction of the guide rail 13. After the cutting is completed, the cutting knife can also retract into the cutting knife assembly 15 so that it will not protrude from the temperature control plate 12.
[0062] On the other hand, the present application also provides a cross-cutting machine, including the drag chain device 1 as described above, and therefore includes all the technical features and beneficial technical effects of the drag chain device 1 as described above, which will not be repeated here.
[0063] In the cross-cutting machine provided by the present application, after the cutting knife extends relative to the temperature regulating plate 12, the compressed air is introduced into the temperature regulating plate 12 through the inlet pipe, and the compressed air flows along the length direction of the temperature regulating plate 12, and then the back plate 14 is slid on the guide rail 13 along the length direction of the guide rail 13, thereby driving the drag chain 11 and the cutting knife assembly 15 to move along the length direction of the guide rail 13, so as to achieve the cutting of the glass substrate by the cutting knife. In this process, the temperature regulating plate 12 will block the temperature of the glass substrate to a certain extent, avoiding the increase of the temperature of the components in the drag chain slot, and the compressed air will reduce the temperature of the components in the drag chain slot, thereby extending the life of the components in the drag chain slot and improving production efficiency. The cross-cutting machine provided by the present application has a simple structure and strong practicality.
[0064] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed herein.
[0065] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.
Claims
1. A drag chain device, characterized in that: include: A drag chain (11), wherein the drag chain (11) is formed with a drag chain groove, and components are arranged in the drag chain groove; A temperature regulating plate (12), the temperature regulating plate (12) is adjacent to and parallel to the drag chain (11), the temperature regulating plate (12) is located on one side of the drag chain slot, the temperature regulating plate (12) is a hollow structure, and a temperature regulating medium flows in the temperature regulating plate (12).
2. The drag chain device according to claim 1, characterized in that: The temperature regulating plate (12) has an inlet and an outlet at both ends along the length direction, respectively; the temperature regulating medium enters the interior of the temperature regulating plate (12) through the inlet and is discharged from the outlet.
3. The drag chain device according to claim 2, characterized in that: The inlet is provided with a first connecting piece (121) for connecting to an air inlet pipe, and the outlet is provided with a second connecting piece (122) for connecting to an air outlet pipe.
4. The drag chain device according to claim 3, characterized in that: The first connecting member (121) and the second connecting member (122) are threaded straight-through members.
5. The drag chain device according to claim 2, characterized in that: The temperature regulating plate (12) is provided with a plurality of temperature regulating channels extending along the length direction, and both ends of each temperature regulating channel are respectively connected to the inlet and the outlet.
6. The drag chain device according to claim 1, characterized in that: The temperature control plate (12) comprises a first plate body, a second plate body, a third plate body, a fourth plate body, a fifth plate body and a sixth plate body, wherein the first plate body is parallel to and spaced apart from the second plate body, the third plate body is parallel to and spaced apart from the fourth plate body, the fifth plate body is parallel to and spaced apart from the sixth plate body, and the four sides of the first plate body and the second plate body are respectively connected by the third plate body, the fourth plate body, the fifth plate body and the sixth plate body to form a hollow temperature control plate (12).
7. The drag chain device according to claim 1, characterized in that: Also includes: A guide rail (13), wherein the guide rail (13) is arranged on the other side of the drag chain (11) away from the temperature regulating plate (12), the guide rail (13) is fixedly connected to the temperature regulating plate (12), and the extension direction of the guide rail (13) is parallel to the drag chain (11).
8. The drag chain device according to claim 7, characterized in that: Also includes: A back plate (14), wherein the back plate (14) is slidably connected to the guide rail (13) along the length direction of the guide rail (13), and the first side of the back plate (14) is fixedly connected to the drag chain (11) to drive the drag chain (11) to move along the length direction of the guide rail (13).
9. The drag chain device according to claim 8, characterized in that: Also includes: A cutting knife assembly (15), wherein the cutting knife assembly (15) is fixedly arranged on the second side of the back plate (14), and the cutting knife assembly (15) comprises a cutting knife, wherein the cutting knife extends relative to the temperature regulating plate (12) in a direction perpendicular to the length direction of the guide rail (13), and is used for cutting the product to be cut along the length direction of the guide rail (13).
10. A cross-cutting machine, characterized in that: The invention comprises the drag chain device according to any one of claims 1 to 9.