A mop wheel and sewing apparatus

Abstract

The utility model provides a kind of mop wheel and sewing equipment, belong to sewing equipment technical field including: rack, rack is provided with fixed seat, transmission shaft, lower roller and first motor, first motor is connected with the one end of transmission shaft, lower roller is connected with the other end of transmission shaft;Lifting seat is connectable with fixed seat by a lifting mechanism, lifting seat is installed with upper axle, upper axle is provided with upper roller;Second motor is fixedly connected with lifting seat, the rotating shaft of second motor is provided with first one-way clutch transmission mechanism and second one-way clutch transmission mechanism, first one-way clutch transmission mechanism is connected with upper axle, second one-way clutch transmission mechanism is connected with lifting mechanism, the angle position of second one-way clutch transmission mechanism determines the stroke position of lifting seat;The utility model has the beneficial effects that: only need to realize double drive differential mop and the lifting and lowering function of upper roller by two motors, reduce the complexity of overall structure.

Description

Technical Field

[0001] This utility model belongs to the field of sewing equipment technology, and relates to a mop wheel and sewing equipment. Background Technology

[0002] Sewing equipment, such as sewing machines, requires a drag roller to move the fabric backward during the sewing process in order to allow the fabric to move while sewing and to ensure the fabric's flatness.

[0003] Generally, fabric mopping rollers are equipped with upper and lower feed rollers. The fabric is dragged backward by the cooperation of the upper and lower rollers. However, one of the rollers is the driving roller and the other is the driven roller, so the rotation speed of the two rollers cannot be adjusted independently. When processing multi-layered fabrics, since the upper and lower layers of most multi-layered fabrics are made of different materials, and the rotation speed of the two feed rollers of the mopping roller cannot be adjusted independently, inconsistent fabric feeding speeds can cause the fabric to stretch, wrinkle, or become misaligned between the upper and lower layers.

[0004] For the reasons mentioned above, some differential dual-drive feed rollers currently exist. These rollers use two motors to drive the upper and lower feed rollers separately, allowing for individual control of each roller. Furthermore, since the upper roller needs to be raised or lowered, a dedicated motor or cylinder is required to control its movement. Therefore, existing differential dual-drive feed rollers necessitate the design of three independent drive components (e.g., motors) to achieve full functionality, resulting in an overly complex overall structure and room for improvement. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by proposing a mop wheel and a sewing device.

[0006] The objective of this utility model can be achieved through the following technical solution: a mop wheel, comprising:

[0007] The frame is provided with a fixed base, a drive shaft, a lower roller and a first motor, the first motor is connected to one end of the drive shaft and the lower roller is connected to the other end of the drive shaft;

[0008] A lifting seat is connected to the fixed seat in a height-reducible manner via a lifting mechanism. The lifting seat is equipped with an upper wheel axle, and the upper wheel axle is provided with an upper roller. The upper roller and the lower roller are arranged vertically in correspondence.

[0009] The second motor is fixedly connected to the lifting seat. The rotating shaft of the second motor is equipped with a first one-way clutch transmission mechanism and a second one-way clutch transmission mechanism. The direction of torque transmission of the first one-way clutch transmission mechanism is opposite to that of the second one-way clutch transmission mechanism. The first one-way clutch transmission mechanism is connected to the upper wheel axle, and the second one-way clutch transmission mechanism is connected to the lifting mechanism. The angular position of the second one-way clutch transmission mechanism determines the stroke position of the lifting seat.

[0010] Preferably, the first one-way clutch transmission mechanism includes a first one-way bearing and a first synchronous pulley. The first synchronous pulley is connected to the shaft of the second motor through the first one-way bearing, and the first synchronous pulley is linked to the upper wheel shaft.

[0011] Preferably, the lifting seat is further equipped with a synchronous pulley shaft, the synchronous pulley shaft is provided with a second synchronous pulley and a third synchronous pulley, the upper pulley shaft is provided with a fourth synchronous pulley, the first synchronous pulley and the second synchronous pulley are connected by a first synchronous belt, and the third synchronous pulley and the fourth synchronous pulley are connected by a second synchronous belt.

[0012] Preferably, the second one-way clutch transmission mechanism includes a second one-way bearing and an eccentric shaft. The main shaft section of the eccentric shaft is connected to the rotating shaft of the second motor through the second one-way bearing, and the eccentric section of the eccentric shaft is connected to the lifting mechanism.

[0013] Preferably, the lifting mechanism includes a lifting link, one end of which is hinged to the eccentric section of the eccentric shaft and the other end of which is hinged to the fixed seat.

[0014] Preferably, one of the lifting seat and the fixed seat is provided with a slider and the other is provided with a slide rail, and the slider and the slide rail are slidably connected.

[0015] Preferably, the first motor shaft is provided with a fifth synchronous pulley, and one end of the transmission shaft is provided with a sixth synchronous pulley, the fifth synchronous pulley and the sixth synchronous pulley are connected by a third synchronous belt.

[0016] Preferably, the frame includes a base, a side bracket, and a mounting base. One end of the side bracket is connected to one side of the base, and one side of the mounting base is connected to the other end of the side bracket. The drive shaft and the lower roller are both disposed on the base. The first motor is disposed on the side bracket, and the fixed base is disposed on the other side of the mounting base.

[0017] Preferably, the base is provided with a plurality of protective strips, the protective strips spanning the area where the lower roller is located, and the protective strips blocking the gap between the lower roller and the base.

[0018] A sewing device including the mop roller.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. Only two motors are needed to achieve the dual-drive differential mop and the lifting and lowering of the upper roller, reducing the complexity of the overall structure.

[0021] 2. When the shaft of the second motor rotates in a specific direction, it drives the first synchronous pulley to rotate via the first one-way bearing. The first synchronous pulley drives the second synchronous pulley to rotate via the first synchronous belt, which in turn causes the synchronous pulley shaft to rotate. The third synchronous pulley on the synchronous pulley shaft drives the fourth synchronous pulley to rotate via the second synchronous belt, which in turn drives the upper roller to rotate via the upper pulley shaft. This transmission method can change the torque-speed ratio according to actual needs.

[0022] 3. Taking the above roller lifting process as an example, the eccentric shaft rotates from a 90° angle position to a 0° angle position. The eccentric section of the eccentric shaft gradually rotates from a higher position to a lower position. With the hinge point between the eccentric section of the eccentric shaft and the lifting link as the force fulcrum, the lifting seat gradually moves upward, thereby lifting the upper roller. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the mop wheel of this utility model.

[0024] Figure 2 This is a schematic diagram of the internal structure of the fixed base and the lifting base of this utility model.

[0025] Figure 3 This is a schematic diagram of the transmission system of the mop wheel of this utility model.

[0026] Figure 4 This is a schematic diagram showing the position of the eccentric shaft of this utility model.

[0027] Figure 5 This is a schematic diagram showing the connection relationship between the fixed base, the lifting base, and the lifting mechanism of this utility model.

[0028] Figure 6 This is an exploded view of the structure of the fixed base and the lifting base of this utility model.

[0029] Figure 7 This is an exploded view of the lifting seat of this utility model.

[0030] Figure 8 This is another exploded view of the lifting seat of this utility model.

[0031] Figure 9 This is a schematic diagram showing the connection relationship between the first motor and the transmission shaft of this utility model.

[0032] In the diagram, 100 is the frame; 110 is the drive shaft; 111 is the sixth synchronous pulley; 120 is the lower roller; 121 is the protective strip; 130 is the first motor; 131 is the fifth synchronous pulley; 132 is the third synchronous belt; 140 is the base; 150 is the side bracket; 160 is the mounting base; 200 is the fixed base; 210 is the slide rail; 300 is the lifting base; 310 is the upper wheel axle; 320 is the upper roller; 311 is the fourth synchronous pulley; and 330 is the lower roller. 331. Synchronous pulley shaft; 332. Second synchronous pulley; 333. Third synchronous pulley; 334. Second synchronous belt; 345. Slider; 400. Second motor; 416. First one-way clutch transmission mechanism; 417. First one-way bearing; 418. First synchronous pulley; 419. First synchronous belt; 420. Second one-way clutch transmission mechanism; 421. Second one-way bearing; 422. Eccentric shaft; 500. Lifting link; 600. Controller. Detailed Implementation

[0033] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0034] like Figures 1 to 9 As shown, a mop wheel includes:

[0035] The frame 100 is provided with a fixed base 200, a drive shaft 110, a lower roller 120 and a first motor 130. The first motor 130 is connected to one end of the drive shaft 110 and the lower roller 120 is connected to the other end of the drive shaft 110.

[0036] The lifting seat 300 is connected to the fixed seat 200 in a height-reducible manner via a lifting mechanism. The lifting seat 300 is equipped with an upper wheel shaft 310, and the upper wheel shaft 310 is provided with an upper roller 320. The upper roller 320 and the lower roller 120 are arranged vertically in correspondence.

[0037] The second motor 400 is fixedly connected to the lifting seat 300. The rotating shaft of the second motor 400 is provided with a first one-way clutch transmission mechanism 410 and a second one-way clutch transmission mechanism 420. The direction of torque transmission of the first one-way clutch transmission mechanism 410 is opposite to the direction of torque transmission of the second one-way clutch transmission mechanism 420. The first one-way clutch transmission mechanism 410 is connected to the upper wheel axle 310, and the second one-way clutch transmission mechanism 420 is connected to the lifting mechanism. The angular position of the second one-way clutch transmission mechanism 420 determines the stroke position of the lifting seat 300.

[0038] The working principle of the mop roller is as follows: The first motor 130 and the second motor 400 can respectively adjust the rotational speed of the lower roller 120 and the upper roller 320. By making the rotational speeds of the upper roller 320 and the lower roller 120 different, a speed difference is created to eliminate fabric stretching, wrinkling, or misalignment defects that occur when dragging multiple layers of fabric. By independently adjusting the rotational speeds of the first motor 130 (lower roller 120) and the second motor 400 (upper roller 320), a speed difference is created between the two rollers. This differential speed control can dynamically adapt to the elastic characteristics of different fabrics, avoiding processing defects. The first motor 130 drives the lower roller 120 to rotate, while the second motor 400 drives the upper roller 320 to rotate and raise / lower it through forward and reverse rotation.

[0039] The second motor 400 drives the upper roller 320 and the lifting mechanism respectively through two one-way clutch transmission mechanisms with opposite torque transmission. In the example, when the second motor 400 rotates forward, the first one-way clutch transmission mechanism 410 rotates together with the shaft of the second motor 400 and transmits torque to the upper roller 320, while the second one-way clutch transmission mechanism 420 slips relative to the shaft of the second motor 400, so the lifting seat 300 (upper roller 320) does not rise or fall. When the second motor 400 rotates in reverse, the first one-way clutch transmission mechanism 410 slips with the shaft of the second motor 400, while the second one-way clutch transmission mechanism 420 rotates together with the shaft of the second motor 400 and transmits torque to the lifting mechanism. Under the action of the lifting mechanism, the lifting seat 300 rises or falls, thereby raising or lowering the upper roller 320.

[0040] The lifting seat 300 has a raised position and a lowered position. When the lifting seat 300 is in the raised position, the upper roller 320 and the lower roller 120 are separated, allowing fabric to be placed or removed. When the lifting seat 300 is in the lowered position, the upper roller 320 and the lower roller 120 are in contact or close together, allowing the upper roller 320 to hold the fabric in place. In this example, when the shaft of the second motor 400 rotates in the direction that causes the second one-way clutch transmission mechanism 420 to transmit torque (as in the example above where the second motor 400 rotates in reverse), the rotation angle of the second one-way clutch transmission mechanism 420 determines the travel position of the lifting seat 300. For example, when the rotation angle of the second one-way clutch transmission mechanism 420 is 0°, the lifting seat 300 is in the raised position; when the rotation angle of the second one-way clutch transmission mechanism 420 is 90°, the lifting seat 300 is in the lowered position.

[0041] A single second motor 400 achieves both functions (driving the upper roller 320 and controlling lifting), greatly simplifying the mechanical structure and reducing cost and size. By controlling the direction and rotation angle of the second motor 400, the fabric conveying and clamping force adjustment can be controlled separately, facilitating automation. Furthermore, the mechanical characteristics of the one-way clutch transmission mechanism ensure that the two functions do not interfere with each other, enabling reliable operation of the fabric roller.

[0042] like Figures 1 to 3 , Figures 6 to 8 As shown, based on the above embodiment, the first one-way clutch transmission mechanism 410 includes a first one-way bearing 411 and a first synchronous pulley 412. The first synchronous pulley 412 is connected to the shaft of the second motor 400 through the first one-way bearing 411, and the first synchronous pulley 412 is linked to the upper wheel shaft 310.

[0043] The first one-way bearing 411 is used to transmit torque in one direction, allowing the shaft of the second motor 400 to drive the first synchronous pulley 412 in a specific direction, while causing slippage between the shaft of the second motor 400 and the first synchronous pulley 412 in the reverse direction.

[0044] Based on the above embodiments, the lifting seat 300 is also equipped with a synchronous pulley shaft 330, the synchronous pulley shaft 330 is provided with a second synchronous pulley 331 and a third synchronous pulley 332, the upper pulley shaft 310 is provided with a fourth synchronous pulley 311, the first synchronous pulley 412 and the second synchronous pulley 331 are connected by a first synchronous belt 413, and the third synchronous pulley 332 and the fourth synchronous pulley 311 are connected by a second synchronous belt 333.

[0045] When the shaft of the second motor 400 rotates in a specific direction, it drives the first synchronous pulley 412 to rotate via the first one-way bearing 411. The first synchronous pulley 412 drives the second synchronous pulley 331 to rotate via the first synchronous belt 413, which in turn causes the synchronous pulley shaft 330 to rotate. The third synchronous pulley 332 on the synchronous pulley shaft 330 drives the fourth synchronous pulley 311 to rotate via the second synchronous belt 333, which in turn drives the upper roller 320 to rotate via the upper pulley shaft 310. This transmission method can change the torque-speed ratio according to actual needs.

[0046] like Figures 1 to 8 As shown, in one embodiment, the second one-way clutch transmission mechanism 420 includes a second one-way bearing 421 and an eccentric shaft 422. The main shaft section of the eccentric shaft 422 is connected to the rotating shaft of the second motor 400 through the second one-way bearing 421, and the eccentric section of the eccentric shaft 422 is connected to the lifting mechanism.

[0047] The second one-way bearing 421 is used to transmit torque in one direction, allowing the shaft of the second motor 400 to drive the eccentric shaft 422 in a specific direction, while causing slippage between the shaft of the second motor 400 and the eccentric shaft 422 in the opposite direction. The direction in which the second one-way bearing 421 transmits torque is opposite to the direction in which the first one-way bearing 411 transmits torque. When the shaft of the second motor 400 rotates, one one-way bearing transmits torque while the other slips.

[0048] Based on the above embodiments, the lifting mechanism includes a lifting link 500, one end of which is hinged to the eccentric section of the eccentric shaft 422 and the other end is hinged to the fixed seat 200.

[0049] Based on the above embodiments, one of the lifting seat 300 and the fixed seat 200 is provided with a slider 340 and the other is provided with a slide rail 210, and the slider 340 and the slide rail 210 are slidably connected.

[0050] Since the lifting seat 300 and the fixed seat 200 are connected to the slider 340 via the slide rail 210, this means that the lifting seat 300 can only slide and rise along the slide rail 210 and the slider 340, thus constraining the sliding direction of the lifting seat 300. The lifting linkage 500, the sliding seat, and the fixed seat 200 form a variant of a crank-slider 340 structure. When the shaft of the second motor 400 drives the eccentric shaft 422 to rotate, the eccentric section of the eccentric shaft 422 performs circular motion. The rotational motion of the eccentric shaft 422 is converted into linear motion of the lifting seat 300 through the lifting linkage 500.

[0051] Taking the lifting process of the upper roller 320 as an example, the eccentric shaft 422 rotates from a 90° angle position to a 0° angle position. The eccentric section of the eccentric shaft 422 gradually rotates from a higher position to a lower position. With the hinge point between the eccentric section of the eccentric shaft 422 and the lifting link 500 as the force fulcrum, the lifting seat 300 gradually moves upward, thereby lifting the upper roller 320.

[0052] In another embodiment, the lifting mechanism can preferably be a rack and pinion. The second one-way clutch transmission mechanism 420 includes a second one-way bearing 421 and a gear. The gear is connected to the shaft of the second motor 400 through the second one-way bearing 421, and the gear meshes with the rack and pinion to drive the lifting seat 300 to rise and fall in a rack and pinion manner.

[0053] like Figure 1 , Figure 3 , Figure 4 , Figure 9 As shown, based on the above embodiment, the first motor 130 has a fifth synchronous pulley 131 on its rotating shaft, and a sixth synchronous pulley 111 is provided at one end of the transmission shaft 110. The fifth synchronous pulley 131 and the sixth synchronous pulley 111 are connected by a third synchronous belt 132.

[0054] like Figures 1 to 6 As shown, based on the above embodiment, the frame 100 includes a base 140, a side support 150, and a mounting base 160. One end of the side support 150 is connected to one side of the base 140, and one side of the mounting base 160 is connected to the other end of the side support 150. The drive shaft 110 and the lower roller 120 are both disposed on the base 140. The first motor 130 is disposed on the side support 150, and the fixed base 200 is disposed on the other side of the mounting base 160.

[0055] The base 140 and the side bracket 150 form an L-shaped bracket structure. The base 140 is placed horizontally to support the drive shaft 110 and the lower roller 120. The side bracket 150 supports the first motor 130, and the fifth synchronous pulley 131, the second synchronous pulley 331 and the synchronous belt can be set inside the side bracket 150. The mounting seat 160 supports the fixed seat 200 and the lifting seat 300.

[0056] Based on the above embodiments, a controller 600 is also included. The controller 600 is disposed on the frame 100, and both the first motor 130 and the second motor 400 are electrically connected to the controller 600. The controller 600 is integrated into the frame 100 and uniformly controls the start / stop, rotation direction, and speed of the first motor 130 and the second motor 400.

[0057] Based on the above embodiment, the base 140 is provided with a plurality of protective strips 121, the protective strips 121 span across the area where the lower roller 120 is located, and the protective strips 121 block the gap between the lower roller 120 and the base 140.

[0058] The lower roller 120 is installed in the groove of the base 140, so there is a gap between the lower roller 120 and the base 140. During the process of dragging the cloth backward, the cloth may be rolled into the gap by the lower roller 120. Therefore, a protective strip 121 is specially provided to block the entrance of the gap and prevent the cloth from entering the gap.

[0059] like Figures 1 to 9 As shown, a sewing device includes a roller. The sewing device can be an industrial automatic sewing machine, an intelligent sewing machine, an overlock sewing machine, or similar equipment.

[0060] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0061] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0062] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0063] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. A mop roller, characterized in that, include: A frame (100) is provided with a fixed base (200), a drive shaft (110), a lower roller (120) and a first motor (130). The first motor (130) is connected to one end of the drive shaft (110), and the lower roller (120) is connected to the other end of the drive shaft (110). A lifting seat (300) is connected to the fixed seat (200) in a lifting manner via a lifting mechanism. The lifting seat (300) is equipped with an upper wheel shaft (310), and the upper wheel shaft (310) is provided with an upper roller (320). The upper roller (320) and the lower roller (120) are arranged vertically in correspondence. The second motor (400) is fixedly connected to the lifting seat (300). The rotating shaft of the second motor (400) is provided with a first one-way clutch transmission mechanism (410) and a second one-way clutch transmission mechanism (420). The direction of torque transmission of the first one-way clutch transmission mechanism (410) is opposite to the direction of torque transmission of the second one-way clutch transmission mechanism (420). The first one-way clutch transmission mechanism (410) is connected to the upper wheel axle (310), and the second one-way clutch transmission mechanism (420) is connected to the lifting mechanism. The angular position of the second one-way clutch transmission mechanism (420) determines the stroke position of the lifting seat (300).

2. A mop roller as described in claim 1, characterized in that: The first one-way clutch transmission mechanism (410) includes a first one-way bearing (411) and a first synchronous pulley (412). The first synchronous pulley (412) is connected to the shaft of the second motor (400) through the first one-way bearing (411), and the first synchronous pulley (412) is linked to the upper wheel shaft (310).

3. A mop roller as described in claim 2, characterized in that: The lifting seat (300) is also equipped with a synchronous pulley shaft (330), the synchronous pulley shaft (330) is provided with a second synchronous pulley (331) and a third synchronous pulley (332), the upper pulley shaft (310) is provided with a fourth synchronous pulley (311), the first synchronous pulley (412) and the second synchronous pulley (331) are connected by a first synchronous belt (413), and the third synchronous pulley (332) and the fourth synchronous pulley (311) are connected by a second synchronous belt (333).

4. A mop roller as described in claim 1, characterized in that: The second one-way clutch transmission mechanism (420) includes a second one-way bearing (421) and an eccentric shaft (422). The main shaft section of the eccentric shaft (422) is connected to the rotating shaft of the second motor (400) through the second one-way bearing (421), and the eccentric section of the eccentric shaft (422) is connected to the lifting mechanism.

5. A mop roller as described in claim 4, characterized in that: The lifting mechanism includes a lifting link (500), one end of which is hinged to the eccentric section of the eccentric shaft (422) and the other end is hinged to the fixed seat (200).

6. A mop roller as described in claim 1 or 5, characterized in that: One of the lifting seat (300) and the fixed seat (200) is provided with a slider (340) and the other is provided with a slide rail (210), and the slider (340) is slidably connected to the slide rail (210).

7. A mop roller as described in claim 1, characterized in that: The first motor (130) has a fifth synchronous pulley (131) on its rotating shaft, and a sixth synchronous pulley (111) is provided at one end of the transmission shaft (110). The fifth synchronous pulley (131) and the sixth synchronous pulley (111) are connected by a third synchronous belt (132).

8. A mop roller as described in claim 1, characterized in that: The frame (100) includes a base (140), a side bracket (150), and a mounting base (160). One end of the side bracket (150) is connected to one side of the base (140), and one side of the mounting base (160) is connected to the other end of the side bracket (150). The drive shaft (110) and the lower roller (120) are both disposed on the base (140). The first motor (130) is disposed on the side bracket (150), and the fixed seat (200) is disposed on the other side of the mounting base (160).

9. A mop roller as described in claim 8, characterized in that: The base (140) is provided with a plurality of protective strips (121), the protective strips (121) span the area where the lower roller (120) is located, and the protective strips (121) block the gap between the lower roller (120) and the base (140).

10. A sewing device, characterized in that, Includes the mop roller as described in any one of claims 1 to 9.

Images