Drawing machine

Abstract

The utility model relates to the technical field of drawing machines, in particular to a drawing machine. The drawing machine comprises a drawing frame and a drawing roller arranged in the drawing frame, and further comprises a cleaning device, the cleaning device can move between a working position for cleaning the roller surface of the drawing roller and a far-end position far away from the drawing roller, and a gap is always formed between the cleaning device and fibers on the drawing roller in the process of moving between the working position and the far-end position. The cleaning device comprises an assembling structure and a cleaning assembly, the assembling structure is arranged on the drafting frame and extends in the axial direction of the drafting roller, and the cleaning assembly can be pushed into the assembling structure in the extending direction of the assembling structure, so that the cleaning assembly and the assembling structure are slidably and detachably connected. The problems of potential safety hazards caused by manual cleaning and production efficiency reduction caused by shutdown cleaning are avoided, and production continuity and stability are improved.

Description

Technical Field

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

[0002] The drafting roller is the core component of the drafting machine. The drafting roller is installed in the drafting frame of the drafting machine in a certain arrangement. The drafting frame is used to support the drafting roller. Each drafting machine usually has multiple groups of drafting rollers arranged in an up and down staggered manner. The speed difference between different drafting machines forms a drafting effect on the fiber material.

[0003] In the modern textile industry, especially in the post-fiber drafting process, since the drafting process usually involves multi-stage drafting operations, a large number of drafting machines and drafting rollers are used. However, in the continuous production process, dirt and hair are easily accumulated on the surface of the drafting roller, which not only affects the quality and performance of the fiber, but also poses a great safety hazard when manually cleaning it. For example, the high strength of the fiber may cause clothing entanglement or finger injuries. Especially when the spinning production line changes varieties, the drafting roller must be stopped to clean, which greatly reduces production efficiency and continuity. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a drafting machine, which solves the technical problems faced by the drafting roller cleaning operation, such as the great safety hazard of manual cleaning and the cleaning process affecting the continuous production rhythm.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A drafting machine, comprising a drafting frame and a drafting roller arranged therein, and also comprising a cleaning device, the cleaning device being movable between a working position for cleaning a roller surface of the drafting roller and a distal position away from the drafting roller, and the cleaning device always having a gap with fibers on the drafting roller during the movement between the working position and the distal position;

[0009] The cleaning device includes an assembly structure and a cleaning component. The assembly structure is arranged on the drafting frame and extends along the axial direction of the drafting roller. The cleaning component can be pushed into the assembly structure along the extension direction of the assembly structure to achieve a sliding and detachable connection between the cleaning component and the assembly structure.

[0010] Optionally, multiple drafting rollers and multiple sets of cleaning devices are provided;

[0011] Multiple drafting rollers are distributed in an S-shape in the drafting frame;

[0012] The multiple cleaning devices are arranged in an S-shape complementary to the S-shape of the multiple drafting rollers, and the multiple cleaning devices are arranged in a one-to-one correspondence with the multiple drafting rollers.

[0013] Optionally, the cleaning assembly includes a brush capable of cleaning the roller surface of the drafting roller, and the brush moves between a working position for cleaning the roller surface of the drafting roller and a distal position away from the drafting roller, so that the cleaning device moves between the working position and the distal position.

[0014] Optionally, the assembly structure includes a mobile frame and an installation frame, and the mobile frame and the installation frame are detachably connected;

[0015] Mounting frame to install cleaning components;

[0016] The mobile frame includes a mobile trolley and a connecting piece. The mobile trolley is located on a side of the drafting frame away from the drafting roller and can walk on it. The mobile trolley is detachably connected to the mounting frame through the connecting piece.

[0017] The movement of the mobile trolley drives the cleaning device to move between the working position and the remote position.

[0018] Optionally, the mobile trolley includes a moving plate and rollers;

[0019] Four rollers are installed at the four front corners of the moving frame. The rollers keep in contact with the drafting frame to ensure vertical guidance. The cleaning components and the corresponding drafting rollers are arranged up and down.

[0020] Optionally, the cleaning assembly further includes a brush plate and a limit block, the brush plate is assembled on the upper part of the assembly structure, the brush is arranged on the upper end of the brush plate, and the tip of the brush points in the opposite direction to the movement direction of the drafting roller;

[0021] When the length of the cleaning assembly is greater than or equal to the length of the stretching roller, the first end of the brush plate can be embedded in the stretching frame and then detachably connected to the connecting piece, the second end of the brush plate can be inserted into the limit block, and the second end of the brush plate is provided with a first pin shaft hole corresponding to the upper and lower parts, and the brush plate is detachably connected to the limit block and the assembly structure through the first pin shaft hole.

[0022] Optionally, a second pin shaft hole opposite to each other is provided in the middle of the limit block, and the pin shaft passes through the second pin shaft hole and the first pin shaft hole in sequence to be detachably connected to the assembly structure.

[0023] Optionally, a plurality of brush limiting holes are installed on the top of the brush plate and are distributed in parallel along its own length direction. After the brush is inserted into the brush limiting hole, it is detachably connected to the brush plate.

[0024] Optionally, a dovetail groove is formed at the bottom of the brush plate by means of an opening, and the brush plate is slidably connected to the assembly structure through the dovetail groove;

[0025] A T-shaped track is provided in the middle of the upper end of the installation frame, and the T-shaped track is slidably connected with the dovetail groove at the bottom of the brush plate;

[0026] A third pin hole is provided at the end of the mounting frame, and there is a gap between the third pin hole and the T-track. The pin passes through the second pin hole, the first pin hole and the third pin hole in sequence to realize the detachable connection between the limit block, the brush plate and the mounting frame.

[0027] Optionally, when the length of the cleaning assembly is smaller than the length of the stretching roller, the cleaning assembly further includes a lead screw, the two ends of the mounting frame are connected by the lead screw and the lead screw passes through the middle of the brush plate, and the brush plate can move along the length direction of the lead screw under the action of the lead screw.

[0028] Optionally, the cleaning device further comprises a telescopic mechanism, the telescopic end of the telescopic mechanism is detachably connected to the movable plate, and the fixed end of the telescopic mechanism is detachably mounted on the drafting frame or the base surface;

[0029] The movable plate can be lifted or lowered under the extension and retraction action of the telescopic mechanism, thereby driving the installation frame and the cleaning components located on the installation frame to be lifted or lowered.

[0030] (III) Beneficial effects

[0031] The beneficial effects of the utility model are:

[0032] This article provides a drafting machine. By designing a cleaning device, the cleaning device can move between a working position for cleaning the roller surface of the drafting roller and a remote position away from the drafting roller, thereby avoiding the safety hazards of manual cleaning and the problem of decreased production efficiency caused by shutdown for cleaning, and improving the continuity and stability of production.

[0033] A certain gap is maintained between the cleaning device and the running fiber, which can effectively remove contaminants and hair without affecting the normal passage of the fiber, thus ensuring the smooth progress of the drafting process and the quality of the fiber product.

[0034] The cleaning device consists of an assembly structure and detachable cleaning components, which is easy to install, disassemble and maintain. At the same time, the cleaning components can be replaced or upgraded as needed, which improves the convenience and service life of the equipment.

[0035] By enabling a sliding and detachable connection between the cleaning component and the assembly structure, workers can quickly and easily insert the cleaning component into the assembly structure to work, or easily remove it for replacement, repair or maintenance when necessary, greatly improving the efficiency of equipment maintenance and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the overall structure of the front side of Example 1 of the utility model;

[0037] Figure 2 for Figure 1 A schematic diagram of the overall structure on the back of FIG.

[0038] Figure 3 for Figure 1 Schematic diagram of the assembly structure and the cleaning component connection structure;

[0039] Figure 4 for Figure 1 A schematic diagram of the cleaning component structure;

[0040] Figure 5 for Figure 1 Schematic diagram of the limit unit structure;

[0041] Figure 6 Schematic diagram of the assembly structure and cleaning component connection structure of Example 2 of the utility model; [Description of Figure Numbers]

[0042] 1: drafting roller; 2: assembly structure; 3: cleaning component; 4: drafting frame; 5: telescopic mechanism;

[0043] 21: moving frame; 22: mounting frame; 23: limiting unit;

[0044] 211: moving plate; 212: roller; 213: connecting member;

[0045] 31: brush plate; 32: brush; 33: limit block; 34: first pin hole; 35: lead screw;

[0046] 311: dovetail groove;

[0047] 331: Second pin hole. DETAILED DESCRIPTION

[0048] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific implementation methods. Figure 1 The orientation is used as a reference.

[0049] The drafting machine of the present application is cleverly designed. By arranging a movable cleaning device between the drafting rollers, effective cleaning of the drafting roller surfaces is achieved, thereby avoiding processing quality problems caused by accumulation of impurities.

[0050] The cleaning device adopts a sliding and detachable assembly mode, which can be easily installed, replaced and maintained as needed, ensuring the efficiency and flexibility of the cleaning work. The cleaning component 3 includes a brush 32, which can move between the working position and the remote position, which can not only effectively clean the surface of the drafting roller, but also avoid the drafting roller in the non-working state without affecting the drafting process. The design of the mobile trolley allows the entire cleaning device to automatically or manually shuttle between the S-shaped drafting rollers, improving the cleaning efficiency, and the height of the cleaning component 3 can be adjusted through the telescopic mechanism 5 to adapt to drafting rollers of different diameters and heights. The detachable connection between the limit block 33, the brush plate 31 and the assembly structure 2, and the sliding cooperation between the dovetail groove 311 and the T-track, not only ensure the stability of the brush when in use, but also facilitate the installation and disassembly of the cleaning component 3. The design of the limit unit 23 in the assembly structure 2 ensures the stable guidance and positioning of the moving frame 21 and the mounting frame 22 during the movement, prevents the cleaning device from offsetting during the movement, and ensures the accuracy of the cleaning operation.

[0051] The drafting machine provided in the present application has good automatic cleaning function, which can significantly improve production efficiency and product quality, reduce equipment failure rate, and extend the service life of the drafting roller.

[0052] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0053] Embodiment 1:

[0054] During the spinning process, when changing the type, the machine needs to be stopped to clean the drafting rollers and remove the contaminated hair on them, which is not conducive to continuous production.

[0055] When processing certain special types of fibers, such as antibacterial fibers, the fiber roller needs to be kept clean, so the drafting roller needs to be cleaned at any time to ensure that the produced products meet the required requirements.

[0056] The utility model cleans the hair and dirt on the drafting roller by adding a cleaning component. At the same time, the cleaning brush is easy to disassemble and can be replaced at any time to ensure the cleanliness of the drafting roller. The application can clean the drafting roller and realize the cleaning of the drafting roller in the continuous production process. The cleaning device has a simple structure and does not require additional energy consumption. It is energy-saving and environmentally friendly, improves the cleanliness of the product, and solves the problem of stopping the machine to clean the metal roller.

[0057] refer to Figure 1 A drafting machine comprises a drafting frame 4 and a drafting roller 1 arranged therein, and is characterized in that it also comprises a cleaning device, which can move between a working position for cleaning the roller surface of the drafting roller 1 and a remote position away from the drafting roller. During the movement between the working position and the remote position, the cleaning device always has a gap with the fibers on the drafting roller 1.

[0058] The cleaning device includes an assembly structure 2 and a cleaning component 3. The assembly structure 2 is arranged on the stretching frame 4 and extends along the axial direction of the stretching roller 1. The cleaning component 3 can be pushed into the assembly structure 2 along the extension direction of the assembly structure 2 to realize a sliding and detachable connection between the cleaning component 3 and the assembly structure 2.

[0059] The cleaning device can clean the roller surface of the drafting roller 1 in real time at the working position without interrupting the drafting process, thereby reducing the downtime for cleaning and improving the equipment operation efficiency and the stability of continuous production.

[0060] By always maintaining a gap between the cleaning device and the fibers on the drafting roller, direct contact and potential damage to the fibers are avoided during the cleaning process, reducing the product defect rate. At the same time, impurities and residues attached to the roller surface are effectively removed, ensuring the quality of the fibers.

[0061] Regular and effective cleaning helps reduce the wear on the surface of the drafting roller, keeps the roller surface smooth and flat, helps maintain the good performance of the drafting machine, and also extends the service life of the drafting roller and other related components.

[0062] The dynamic cleaning mechanism reduces dust and other pollutants in the workshop, improves the working environment, and is conducive to meeting the requirements of environmental protection and safe production.

[0063] refer to Figure 1 , multiple drafting rollers 1 and multiple cleaning devices are set.

[0064] A plurality of drafting rollers 1 are distributed in a drafting frame 4 in an S shape.

[0065] The multiple groups of cleaning devices are arranged in an S-shape that complements the S-shape of the multiple drafting rollers 1 , and the multiple groups of cleaning devices are arranged in a one-to-one correspondence with the multiple drafting rollers 1 .

[0066] The cleaning device corresponding to the upper drafting roller in the S-shape is located below it, and the cleaning device corresponding to the lower drafting roller in the S-shape is located above it, that is, the cleaning device in the middle is flanked by running fibers on both sides.

[0067] Multiple drafting rollers are arranged in an S shape, and with the complementary S-shaped arrangement of multiple groups of cleaning devices, each drafting roller can be fully cleaned by the corresponding cleaning device on its roller surface, achieving full coverage of the cleaning range and avoiding cleaning dead corners.

[0068] The roller surface mentioned above is the surface not covered by fibers. The cleaning device will not contact the moving fibers. The drafting roller moves by itself, and the surface not in contact with the fibers is the part to be cleaned.

[0069] The working position mentioned above refers to the position where the cleaning assembly 3 is raised to clean the roller surface, and the away position is the position where the cleaning assembly 3 is lowered, that is, the cleaning assembly does not contact the drafting roller and does not delay the normal use of the drafting roller. There is a gap between the cleaning device and the moving fiber, indicating that the moving fiber and the cleaning device do not interfere with each other.

[0070] The S-shaped layout makes full use of the space of the drafting frame, which is compact and orderly, reduces the equipment footprint and improves space utilization.

[0071] Each drafting roller has an independent corresponding cleaning device, which can carry out targeted cleaning for different parts and different degrees of pollution, avoiding over-cleaning or under-cleaning, and effectively reducing equipment maintenance costs and downtime.

[0072] refer to Figure 1 The cleaning assembly 3 includes a brush 32 capable of cleaning the roller surface of the drafting roller 1. The brush 32 moves between a working position for cleaning the roller surface of the drafting roller 1 and a distal position away from the drafting roller, so that the cleaning device moves between the working position and the distal position.

[0073] refer to Figure 2 and Figure 3 The assembly structure 2 includes a moving frame 21 and an installation frame 22, and the moving frame 21 and the installation frame 22 are detachably connected.

[0074] The mounting frame 22 mounts the cleaning assembly 3 .

[0075] The moving frame 21 includes a moving trolley and a connecting member 213 . The moving trolley is located on a side of the drafting frame 4 away from the drafting roller and can travel thereon. The moving trolley is detachably connected to the mounting frame 22 via the connecting member 213 .

[0076] The movement of the mobile trolley drives the cleaning device to move between the working position and the remote position.

[0077] The movable frame 21 and the mounting frame 22 are detachably connected, so that the cleaning device becomes a modular component, which is easy to assemble, disassemble, overhaul and replace, and greatly simplifies the equipment maintenance and upgrade process.

[0078] The design of the mobile trolley allows the cleaning device to move freely on the drafting frame 4, and can accurately reach the working position of each drafting roller for cleaning, and then quickly move to the far end position to avoid, which greatly improves the cleaning efficiency and flexibility.

[0079] Since the cleaning device can perform cleaning operations without interrupting the drafting process, continuous cleaning can be achieved on the production line without long downtime waiting for cleaning, which greatly shortens non-production time and improves the overall equipment efficiency.

[0080] The connecting piece 213 is used to achieve precise docking and fixation between the moving trolley and the mounting frame 22, ensuring that the cleaning device can work stably and reliably during the movement and cleaning process, and effectively avoiding vibration and instability during the cleaning process.

[0081] refer to Figure 1 The moving trolley includes a moving plate 211 and rollers 212 .

[0082] Four rollers 212 are installed at the four front corners of the movable frame 21. The rollers 212 keep in contact with the drafting frame 4 to ensure vertical guidance. The cleaning assembly 3 and the corresponding drafting rollers are arranged up and down.

[0083] The roller 212 keeps in contact with the drafting frame 4, ensuring that the moving trolley has good vertical guidance during movement, avoiding shaking or deviation from the track during movement, and ensuring the accuracy of the cleaning device when it moves to the working position.

[0084] The cleaning component 3 and the corresponding drafting roller are arranged up and down. This design ensures that the cleaning component can effectively contact the roller surface of the drafting roller for cleaning during operation, and avoids collision with the drafting roller during movement, thereby ensuring equipment safety and cleaning effect.

[0085] Using roller contact instead of direct drag effectively reduces friction during movement, reduces wear between components, and extends the service life of the equipment.

[0086] refer to Figure 3 The cleaning assembly 3 also includes a brush plate 31 and a limit block 33. The brush plate 31 is assembled on the upper part of the assembly structure 2. The brush 32 is arranged at the upper end of the brush plate 31. The tip of the brush 32 points to the opposite direction of the movement of the drafting roller 1.

[0087] When the length of the cleaning component 3 is greater than or equal to the length of the stretching roller, the first end of the brush plate 31 can be embedded in the stretching frame 4 and then detachably connected to the connecting piece 213, and the second end of the brush plate 31 can be inserted into the limit block 33, and the second end of the brush plate 31 is provided with a first pin shaft hole 34 corresponding to the upper and lower parts, and the brush plate 31 is detachably connected to the limit block 33 and the assembly structure 2 through the first pin shaft hole 34.

[0088] The tip of the brush 32 points in the opposite direction to the movement direction of the drafting roller 1, ensuring that during the cleaning process, the brush can scrape off the accumulated impurities and fibers along the rotation direction of the drafting roller, achieving the best cleaning effect while avoiding pulling and damaging the fibers.

[0089] The first end of the brush plate 31 is embedded in the stretching frame 4 and is detachably connected through the connecting piece 213, which ensures the stability of the cleaning assembly during work, and also facilitates the installation, disassembly and replacement of the brush plate; the second end of the brush plate 31 is inserted into the limit block 33, and is detachably connected to the limit block 33 and the assembly structure 2 through the first pin shaft hole 34, ensuring the precise positioning and limiting of the brush plate during movement and work, and preventing it from shaking or loosening during the cleaning process.

[0090] refer to Figure 2 and Figure 3 A second pin shaft hole 331 opposite to each other is set in the middle of the limit block 33, and the pin shaft passes through the second pin shaft hole 331 and the first pin shaft hole 34 in sequence and is detachably connected to the assembly structure 2.

[0091] refer to Figure 3 The top of the brush plate 31 is provided with a plurality of brush limiting holes which are arranged in parallel along its own length direction. After the brush 32 is inserted into the brush limiting hole, it is detachably connected to the brush plate 31 .

[0092] refer to Figure 4 The bottom of the brush plate 31 forms a dovetail groove 311 by means of the opening, and the brush plate 31 is slidably connected to the assembly structure 2 through the dovetail groove 311.

[0093] A T-shaped track is disposed in the middle of the upper end of the mounting frame 22 , and the T-shaped track is slidably connected to the dovetail groove 311 at the bottom of the brush plate 31 .

[0094] A third pin hole is provided at the end of the mounting frame 22, and there is a gap between the third pin hole and the T-track. The pin passes through the second pin hole 331, the first pin hole 34 and the third pin hole in sequence to realize the detachable connection between the limit block 33, the brush plate 31 and the mounting frame 22.

[0095] The bottom of the brush plate 31 is slidably connected to the assembly structure 2 via a dovetail groove 311. The cooperation between the dovetail groove and the T-shaped track provides a precise and stable guiding effect, ensuring the linearity and stability of the brush plate during movement, and avoiding lateral swing and instability that may occur during the cleaning process.

[0096] The dovetail groove structure increases the mechanical strength of the connection between the brush plate 31 and the assembly structure 2, effectively preventing deformation and damage that may occur during long-term use and movement, and extending the service life of the cleaning component.

[0097] Since the brush plate 31 and the assembly structure 2 are installed by sliding connection, when the brush needs to be replaced or other maintenance is required, it can be simply slid out along the dovetail groove, which greatly simplifies the maintenance and replacement steps of the cleaning component and reduces maintenance costs and time.

[0098] refer to Figure 2-Figure 3 The cleaning device further comprises a telescopic mechanism 5, a telescopic end of the telescopic mechanism 5 is detachably connected to the movable plate 211, and a fixed end of the telescopic mechanism 5 is detachably mounted on the stretching frame 4 or the base surface.

[0099] The movable plate 211 can be lifted or lowered under the extension and retraction action of the retractable mechanism 5 , thereby driving the installation frame 22 and the cleaning assembly 3 located on the installation frame 22 to be lifted or lowered.

[0100] The cleaning device can be lifted up and down by the telescopic mechanism 5, ensuring that the cleaning assembly 3 can accurately reach and clean the roller surfaces of all drafting rollers, thereby improving the cleaning efficiency and cleaning quality. The telescopic mechanism 5 is detachably connected to the moving plate 211 and the drafting frame 4, facilitating the installation, disassembly and maintenance of the cleaning device. When a problem occurs with the telescopic mechanism, it can be quickly replaced, reducing equipment downtime and improving equipment availability and work efficiency.

[0101] refer to Figure 5 The assembly structure 2 may further include a limiting unit 23, which is embedded in the drafting frame 4. A vertical groove is prefabricated in the center of one end of the limiting unit 23, and a vertical rectangular opening groove is provided at the opposite end.

[0102] The connecting member 213 passes through the vertical groove in the middle of the limiting unit 23 and is detachably connected to the mounting frame 22 which is partially disposed in the rectangular opening groove.

[0103] The limit unit 23 improves the support force of the drafting frame 4. The limit unit 23 provides precise guidance for the movement of the moving trolley (i.e., the moving plate 211) through its preset vertical groove and rectangular opening groove, ensuring stability during the movement and avoiding the shaking or deviation of the cleaning component during the movement, thereby ensuring the accuracy and efficiency of the cleaning operation. The limit unit 23 is embedded in the drafting frame 4 and is detachably connected to the moving trolley through the connecting piece 213. Such a design not only strengthens the connection strength between the moving trolley and the drafting frame, but also ensures the stability and safety of the moving trolley during lifting or moving.

[0104] Embodiment 2:

[0105] The remaining structures of this embodiment are the same as those of the embodiment 1, except that the length of the brush plate 31 is shorter than the mounting frame 22, and a limit baffle is provided at the right end of the mounting frame 22. That is, when the length of the cleaning assembly 3 is shorter than the length of the drafting roller, the cleaning assembly 3 further includes a lead screw 35, and the two ends (limit baffles) of the mounting frame 22 are connected by the lead screw 35, and the lead screw 35 passes through the middle of the brush plate 31. The brush plate 31 can move along the length direction of the lead screw under the action of the lead screw, and a limit baffle is provided at the right end structure of the mounting frame 22 to prevent the brush plate 31 from slipping out of the mounting frame 22.

[0106] The brush plate is driven by a lead screw to move along the length direction of the lead screw to achieve full-range cleaning. The brush plate is equipped with components such as balls, nuts, and reversers. The lead screw 33 is driven to rotate by a motor (not shown), thereby driving the brush plate 31 to move along the length direction of the lead screw to ensure continuous and thorough cleaning of the entire length of the drafting roller. This design not only improves cleaning efficiency, but also reduces manual operation intensity, and increases the automation level and work efficiency of the device.

[0107] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0108] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0109] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0110] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0111] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A drafting machine, comprising a drafting frame (4) and a drafting roller (1) arranged therein, characterized in that: It also comprises a cleaning device, which can move between a working position for cleaning the roller surface of the drafting roller (1) and a remote position away from the drafting roller, and the cleaning device always has a gap with the fibers on the drafting roller (1) during the movement between the working position and the remote position; The cleaning device comprises an assembly structure (2) and a cleaning component (3); the assembly structure (2) is arranged on the drafting frame (4) and extends along the axial direction of the drafting roller (1); the cleaning component (3) can be pushed into the assembly structure (2) along the extension direction of the assembly structure (2) to achieve a sliding and detachable connection between the cleaning component (3) and the assembly structure (2).

2. The drawing machine according to claim 1, characterized in that: Providing a plurality of drafting rollers (1) and a plurality of groups of the cleaning devices; The plurality of drafting rollers (1) are distributed in an S-shape in a drafting frame (4); The multiple groups of cleaning devices are arranged in an S-shape that complements the S-shape of the multiple drafting rollers (1), and the multiple groups of cleaning devices are arranged in a one-to-one correspondence with the multiple drafting rollers (1).

3. The drawing machine according to claim 2, characterized in that: The cleaning assembly (3) comprises a brush (32) capable of cleaning the roller surface of the drafting roller (1); the brush (32) moves between a working position for cleaning the roller surface of the drafting roller (1) and a distal position away from the drafting roller, thereby constituting the cleaning device to move between the working position and the distal position.

4. The drawing machine according to claim 3, characterized in that The assembly structure (2) comprises a moving frame (21) and a mounting frame (22), wherein the moving frame (21) and the mounting frame (22) are detachably connected; The installation frame (22) is used to install the cleaning component (3); The movable frame (21) comprises a movable trolley and a connecting member (213), wherein the movable trolley is located on a side of the drafting frame (4) away from the drafting roller and is capable of walking on the side of the drafting frame (4), and the movable trolley is detachably connected to the mounting frame (22) via the connecting member (213); The movement of the movable trolley drives the cleaning device to move between the working position and the remote position.

5. The drawing machine according to claim 4, characterized in that The mobile trolley comprises a mobile plate (211) and rollers (212); Four rollers (212) are installed at the four front corners of the movable frame (21), and the rollers (212) are in contact with the stretching frame (4) to ensure vertical guidance. The cleaning assembly (3) and the corresponding stretching roller are arranged up and down.

6. The drawing machine according to claim 5, characterized in that The cleaning assembly (3) further comprises a brush plate (31) and a limit block (33), wherein the brush plate (31) is mounted on the upper part of the assembly structure (2), the brush (32) is arranged at the upper end of the brush plate (31), and the tip of the brush (32) points in a direction opposite to the movement direction of the drafting roller (1); When the length of the cleaning assembly (3) is greater than or equal to the length of the drafting roller, The first end of the brush plate (31) can be embedded in the interior of the stretching frame (4) and then detachably connected to the connecting piece (213); the second end of the brush plate (31) can be inserted into the limit block (33); and the second end of the brush plate (31) is provided with a first pin shaft hole (34) corresponding to the upper and lower parts; the brush plate (31) is detachably connected to the limit block (33) and the assembly structure (2) through the first pin shaft hole (34).

7. The drawing machine according to claim 6, characterized in that A second pin shaft hole (331) is provided in the middle of the limit block (33) and is opposite to each other in upper and lower directions. The pin shaft passes through the second pin shaft hole (331) and the first pin shaft hole (34) in sequence and is detachably connected to the assembly structure (2). The top of the brush plate (31) is provided with a plurality of brush limiting holes which are arranged in parallel along its own length direction, and the brush (32) is detachably connected to the brush plate (31) after being inserted into the brush limiting hole.

8. The drawing machine according to claim 7, characterized in that The bottom of the brush plate (31) is formed with the help of an opening to form a dovetail groove (311), and the brush plate (31) is slidably connected to the assembly structure (2) via the dovetail groove (311); A T-shaped track is provided in the middle of the upper end of the installation frame (22), and the T-shaped track is slidably connected to the dovetail groove (311) at the bottom of the brush plate (31); A third pin hole is provided at the end of the mounting frame (22), a gap exists between the third pin hole and the T-shaped track, and the pin passes through the second pin hole (331), the first pin hole (34) and the third pin hole in sequence, so as to realize a detachable connection between the limit block (33), the brush plate (31) and the mounting frame (22).

9. The drawing machine according to claim 6, characterized in that When the length of the cleaning assembly (3) is less than the length of the drafting roller, the cleaning assembly (3) further comprises a lead screw (35), the two ends of the mounting frame (22) are connected via the lead screw (35) and the lead screw (35) passes through the middle of the brush plate (31), and the brush plate (31) can move along the length direction of the lead screw under the action of the lead screw.

10. The drawing machine according to claim 5, characterized in that The cleaning device further comprises a telescopic mechanism (5), the telescopic end of the telescopic mechanism (5) being detachably connected to the movable plate (211), and the fixed end of the telescopic mechanism (5) being detachably mounted on the stretching frame (4) or the base surface; The movable plate (211) can be lifted or lowered under the extension and retraction action of the retractable mechanism (5), thereby driving the installation frame (22) and the cleaning component (3) located on the installation frame (22) to be lifted or lowered.

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