Cloth spreading machine cloth power roller brake

Abstract

The utility model discloses a cloth power roller brake of a spreading machine, which relates to the field of spreading machines and comprises a frame, and a power roller for conveying cloth of the spreading machine is mounted at the rear end of the frame. A mounting bracket is also included; the installation support is fixedly installed at the front end of a machine frame of the spreading machine through a plurality of installation columns, a transmission shaft is connected between the installation support and the machine frame in a rotating mode, the transmission shaft is mainly used for transmitting power of a cloth feeding motor to a power roller, and in the scheme, the power roller is connected with the machine frame in a rotating mode through a roller shaft. Meanwhile, the roll shaft penetrates through the rack and is fixedly connected with a first driven synchronous belt wheel, a first driving synchronous belt wheel is fixedly installed on the transmission shaft, and the first driving synchronous belt wheel is in driving connection with the first driven synchronous belt wheel through a first synchronous belt; the utility model has the advantages of fast braking and improved safety; the structure is compact and maintenance is easy; and the tightness of the brake can be flexibly adjusted, so that the reliability and usability of the equipment are further improved.

Description

Technical Field

[0001] This utility model relates to the field of fabric spreading machines, specifically to a fabric spreading machine's power roller brake. Background Technology

[0002] With the continuous development of industrialization, the garment industry is gradually transforming from a traditional labor-intensive industry to one of industrialization and automation. Since most fabrics are produced and transported in rolls, an important process at the user's factory is to unroll the rolls into multi-layered, flat sheets for efficient cutting. In the garment-making process, fabric spreading and cutting play a crucial role. Only regular cut pieces can be sewn into garments that meet specifications. If the cut pieces are not regular, even the best sewing machine and the most skilled sewing worker will not be able to sew high-quality garments. Fabric spreading is the prerequisite for fabric cutting and the first step in garment making. The quality of fabric spreading directly determines the quality of the finished garment.

[0003] For example, our company's earlier patent application, authorized by publication number CN116675040B, discloses a fabric spreading machine that facilitates fabric loading. It mainly includes a host computer, a fabric bed, a slide, a frame, a feeding mechanism, a tension adjustment mechanism, a fabric clamping mechanism, and a fabric feeding mechanism. The host computer integrates a control system that enables human-machine interaction. The fabric bed is used to place stacked fabric and also serves as the base of the equipment. The slide is installed on the upper side of the fabric bed and can drive the frame to move back and forth to achieve the fabric spreading action. The frame can move laterally. The internally installed fabric feeding roller and pressing roller can realize the conveying of fabric. The feeding mechanism is installed at the rear end of the frame and can realize the feeding of roll fabric through the mechanical arm structure. The tension adjustment mechanism is installed inside the frame and can dynamically adjust the tension of the fabric to make the tension of the fabric uniform throughout the laying process. The fabric clamping mechanism is fixedly installed at the front end of the laying bed and can realize the stable clamping of the fabric end and the firm pressing of the laid fabric. The fabric feeding mechanism is installed on the slide stand and can send the fabric end to the clamping mechanism for clamping.

[0004] The aforementioned patent achieves fabric conveying through a feed roller and a pressure roller, with the feed motor driving the rotation of the feed roller. However, the disadvantage of this patent is that, in actual use, due to the large weight of the feed roller itself, after the feed motor stops, the feed roller will continue to rotate several times due to inertia. This causes the fabric to be carried out by the feed roller, resulting in the fabric accumulating above the feed mechanism and easily causing wrinkles. Although the aforementioned patent integrates a brake into the feed motor, its effectiveness is generally poor. Due to the large weight of the feed roller itself, the inertia is high, and the brake in the feed motor is particularly prone to damage under frequent start-stop conditions.

[0005] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of this invention is to provide a brake for the fabric power roller of a fabric spreading machine to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A fabric feeding machine's power roller brake includes a frame, with a power roller for conveying fabric mounted at the rear end of the frame; it also includes a mounting bracket; the mounting bracket is fixedly mounted to the front end of the frame via multiple mounting columns, and a drive shaft is rotatably connected between the mounting bracket and the frame. The drive shaft primarily transmits power from the fabric feeding motor to the power roller. In this design, the power roller is rotatably connected to the frame via a roller shaft, which passes through the frame and is fixedly connected to a first driven synchronous pulley. A first driving synchronous pulley is fixedly mounted on the drive shaft, and the first driving synchronous pulley is driven by a first synchronous belt to the first driven synchronous pulley. A fabric feeding motor is fixedly mounted at the front end of the mounting bracket, and a first driven synchronous pulley is fixedly mounted on the output shaft of the fabric feeding motor. Two drive pulleys are connected to the drive shaft, and a second driven synchronous pulley is fixedly mounted on the drive shaft. The second drive pulley is driven by a second synchronous belt. One end of the drive shaft passes through a mounting bracket and is fixedly mounted on a brake wheel. A brake pad is also fixedly mounted on the front end of the mounting bracket. The brake pad is located on one side of the brake wheel and abuts against the brake wheel. The brake pad is fixedly mounted on one side of a brake pad mounting plate, wherein the rear end of the brake pad mounting plate is bent at ninety degrees to form a mounting plate. The top of the mounting plate is rotatably connected to the mounting bracket by mounting screws. At the same time, a hook mounting hole for mounting a tension spring is opened at the bottom of the brake pad mounting plate. A tension spring mounting bolt is also fixedly mounted on the mounting bracket, and a tension spring is connected between the hook mounting hole and the tension spring mounting bolt.

[0009] Furthermore, the mounting column is welded to the front end of the fabric spreading machine frame, and the mounting bracket is fixedly mounted on the mounting column by bolts.

[0010] Furthermore, the two ends of the drive shaft are rotatably connected to the mounting bracket and the frame respectively via the first bearing.

[0011] Furthermore, the fabric feeding motor is fixedly mounted on the front end of the mounting bracket via a motor bracket.

[0012] Furthermore, hooks are provided at both ends of the tension spring. One hook at one end of the tension spring is hooked onto the tension spring mounting bolt, and the other hook is hooked into the hook mounting hole.

[0013] Furthermore, the mounting bracket has a waist hole, and the tension spring mounting bolt is fixedly installed in the waist hole by a fixing nut.

[0014] Furthermore, at least two fixing nuts are provided, and the two fixing nuts are respectively located on both sides of the waist hole on the mounting bracket, for fixing the tension spring mounting bolt in the waist hole.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] Rapid braking enhances safety: When the feed motor stops, the drive shaft stops rapidly due to the contact between the brake wheel and the brake pads. This helps to quickly counteract the rotational inertia of the power roller, improving the safety and stability of the equipment.

[0017] Compact structure and easy maintenance: The mounting bracket is fixedly installed on the front end of the fabric spreading machine frame by multiple mounting columns, making it compact and easy to install and maintain. At the same time, the rotating connection between the brake pad mounting plate and the mounting bracket, as well as the adjustable design of the tension spring, allows the brake tension to be flexibly adjusted, further improving the reliability and ease of use of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the power roller brake for a fabric spreading machine.

[0019] Figure 2 This is a front view of the brake on the fabric power roller of a fabric spreading machine.

[0020] Figure 3 This is a side view of the brake on the fabric power roller of a fabric spreading machine.

[0021] Figure 4 This is a schematic diagram showing the fabric power roller brake of a fabric spreading machine after the mounting bracket and motor bracket have been removed.

[0022] Figure 5 for Figure 1 A magnified view of a portion of point A in the middle.

[0023] Figure 6 for Figure 1 A magnified view of a section at point B.

[0024] Figure 7 This is a schematic diagram of the complete power roller in the fabric power roller brake of a fabric spreading machine. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0026] Please see Figure 1-6 Fabric power roller brake for fabric spreading machine, including mounting bracket 2;

[0027] The mounting bracket 2 is fixedly installed at the front end of the frame 1 of the fabric spreading machine by multiple mounting columns 201, so a drive shaft 3 is rotatably connected between the mounting bracket 2 and the frame 1.

[0028] Specifically, the mounting column 201 is welded to the front end of the frame 1 of the fabric spreading machine, and the mounting bracket 2 is fixedly mounted on the mounting column 201 by bolts;

[0029] The rear end of the frame 1 is equipped with a power roller 4 (i.e., the fabric feeding roller mentioned in the background art) for conveying fabric for the fabric feeding machine.

[0030] The drive shaft 3 is mainly used to transmit the power of the fabric feeding motor 5 to the power roller 4. In this solution, the power roller 4 is rotatably connected to the frame 1 through the roller shaft 401. At the same time, the roller shaft 401 passes through the frame 1 and is fixedly connected to the first driven synchronous pulley 402. The drive shaft 3 is fixedly installed with the first driving synchronous pulley 403. The first driving synchronous pulley 403 is driven to the first driven synchronous pulley 402 through the first synchronous belt 404.

[0031] Specifically, the two ends of the drive shaft 3 are rotatably connected to the mounting bracket 1 and the frame 1 respectively via the first bearing 301;

[0032] The front end of the mounting bracket 2 is fixedly mounted with a fabric feeding motor 5. A second driving pulley 501 is fixedly mounted on the output shaft of the fabric feeding motor 5. A second driven synchronous pulley 502 is fixedly mounted on the transmission shaft 3. The second driving pulley 501 is driven to connect to the second driven synchronous pulley 502 through the second synchronous belt 503.

[0033] Specifically, the fabric feeding motor 5 is fixedly mounted on the front end of the mounting bracket 2 via a motor bracket 504;

[0034] One end of the drive shaft 3 passes through the mounting bracket 2 and is fixedly mounted with a brake wheel 302; a brake pad 6 is also fixedly mounted at the front end of the mounting bracket 1, and the brake pad 6 is located on one side of the brake wheel 302 and abuts against the brake wheel 302.

[0035] The brake pad 6 is fixedly installed on one side of the brake pad mounting plate 601, wherein the rear end of the brake pad mounting plate 601 is bent at ninety degrees to provide a mounting plate 602, wherein the top of the mounting plate 602 is rotatably connected to the mounting bracket 2 by mounting screws 603.

[0036] Meanwhile, the bottom of the brake pad mounting plate 601 is provided with a hook mounting hole 604 for mounting the tension spring 603;

[0037] A tension spring mounting bolt 605 is also fixedly installed on the mounting bracket 2, and a tension spring 606 is connected between the hook mounting hole 604 and the tension spring mounting bolt 605.

[0038] Specifically, both ends of the tension spring 606 are provided with hooks 607. One hook 607 of the tension spring 606 is hooked on the tension spring mounting bolt 605, and the other hook 607 is hooked in the hook mounting hole 604.

[0039] In some embodiments of this solution, the mounting bracket 2 is provided with a waist hole 608, and the tension spring mounting bolt 605 is fixedly installed in the waist hole 608 by a fixing nut 609. By adjusting the position of the tension spring mounting bolt 605 in the waist hole 608, the tension length of the tension spring 606 can be adjusted, thereby adjusting the pressure between the brake pad 6 and the brake wheel 302, and thus adjusting the tightness of the brake.

[0040] Specifically, at least two fixing nuts 609 are provided, and the two fixing nuts 609 are respectively located on both sides of the waist hole 608 on the mounting bracket 2, for fixing the tension spring mounting bolt 605 in the waist hole 608;

[0041] In use, the fabric feeding motor 5 drives the connected transmission shaft 3 to rotate via the second synchronous belt 503, and the transmission shaft 3 drives the connected power roller 4 to rotate via the first synchronous belt 404. In this invention, when the fabric feeding motor 5 stops, the transmission shaft 3 will stop quickly due to the contact between the brake wheel 302 and the brake pad 6. It is worth noting that when the fabric feeding motor 5 drives the power roller 4 to rotate, the brake wheel 302 and the brake pad 6 will also play a braking role, that is, to prevent the fabric feeding motor 5 from driving the power roller 4 to rotate. The advantage of this invention is that when the motor stops, the friction between the brake wheel 302 and the brake pad 6 can quickly counteract the rotational inertia of the power roller 4.

[0042] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "left," and "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connect" should be interpreted broadly. For example, "connection" 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 a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A cloth power roller brake of a cloth drawing machine, comprising a frame, a power roller for conveying cloth is installed at the rear end of the frame of the cloth drawing machine; characterized in that, The installation support is fixedly installed on the front end of the frame of the cloth spreading machine through a plurality of installation columns, and a transmission shaft is rotationally connected between the installation support and the frame, which is mainly used for transmitting power of a cloth feeding motor to a power roller. In the present scheme, the power roller is rotationally connected to the frame through a roller shaft, and the roller shaft penetrates through the frame and is fixedly connected with a first driven synchronous pulley. A first driving synchronous pulley is fixedly installed on the transmission shaft, and the first driving synchronous pulley drives the first driven synchronous pulley through a first synchronous belt.

2. The brake for the power roller of the fabric of the fabric spreading machine according to claim 1, characterized in that, The installation column is welded to the front end of the frame of the cloth spreading machine, and the installation support is fixedly installed on the installation column through bolts.

3. The brake as claimed in claim 1, wherein, The two ends of the transmission shaft are rotationally connected to the installation support and the frame through first bearings, respectively.

4. The brake as claimed in claim 1, wherein, The cloth feeding motor is fixedly installed on the front end of the installation support through a motor support.

5. The brake as claimed in claim 1, wherein, The two ends of the tension spring are provided with hooks, and the hook at one end of the tension spring is hung on the tension spring installation bolt, and the hook at the other end is hung in the hook installation hole.

6. The brake as claimed in claim 5, wherein, The installation support is provided with a waist hole, and the tension spring installation bolt is fixedly installed in the waist hole through a fixing nut.

7. The brake as claimed in claim 6, wherein, The fixing nut is provided with at least two, and the two fixing nuts are respectively located on the two sides of the waist hole on the installation support, and are used for fixing the tension spring installation bolt in the waist hole. The fixing nut is provided with at least two, and the two fixing nuts are respectively located on the two sides of the waist hole on the installation support, and are used for fixing the tension spring installation bolt in the waist hole.

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