Wire feeding wheel mechanism for a wire feeding device

Abstract

The utility model discloses a kind of line feeding wheel mechanisms for line feeding device, and line feeding device includes opening and closing mechanism, and opening and closing mechanism includes support seat, compression block;Compression block is pressed on the top of support seat;The front end of compression block is equipped with compression shaft, and the rear end of compression block is opening and closing end;Line feeding wheel mechanism includes line feeding motor and several line feeding wheels;Line feeding wheel includes support wheel, compression wheel;Support wheel is set on support seat, including front support wheel and rear support wheel;Compression wheel is located on compression block, including front compression wheel and rear compression wheel;Front compression wheel is located directly above front support wheel, and rear compression wheel is located directly above rear support wheel;Each line feeding wheel is rotated by its coaxial drive wheel;Drive wheel is directly or indirectly rotated by line feeding motor drive.The line feeding wheel mechanism of the utility model is driven by upper and lower double drive wheels, realizes that upper and lower line feeding wheels are driven by drive wheel, effectively avoids the slippage in line feeding process, improves the stability of line feeding.

Description

Technical Field

[0001] This utility model relates to a wire feeding wheel mechanism for a wire feeding device. Background Technology

[0002] Wire feeding devices are a common facility widely used in many fields. Their main purpose is to unwrap the wire from the wire reel and deliver it to the working environment.

[0003] In the prior art, Chinese Patent 202021234025.5 discloses a thread feeding tube and a sewing machine thread feeding mechanism using the thread feeding tube, including a guide tube connected to the shuttle, a thread feeding auxiliary tube and an air supply auxiliary tube provided on the side of the guide tube away from the shuttle, the thread feeding auxiliary tube and the air supply auxiliary tube being connected at an angle; a rotating part is provided on the outer sleeve of the guide tube, and a power member for driving the rotating part to rotate is provided on the rotating part.

[0004] Chinese Patent 202323518226.4 discloses a cable clamping and feeding mechanism and a cable feeding and shifting device. The cable clamping and feeding mechanism includes a fixed frame, a clamping assembly, and a cable feeding assembly. The clamping assembly includes two sliding plates, two gripper arms respectively disposed at both ends of the sliding plates, and a clamping drive component. The cable feeding assembly includes a cable feeding drive component, a drive gear shaft and a driven gear shaft mounted on the sliding plates, a transmission component, and two rollers mounted at the bottom ends of the drive and driven gear shafts. The clamping drive component drives the two sliding plates to open or close, simultaneously driving the rollers and gripper arms to move closer or further away to grasp and clamp the cable; when the two sliding plates are closed, the cable feeding drive component drives the drive gear shaft and driven gear shaft to rotate and mesh through the transmission component, simultaneously driving the two rollers to rotate to transport the cable. The cable feeding and shifting device includes the above-mentioned cable clamping and feeding mechanism, with each mechanism cooperating to complete the clamping, transport, and shifting of the cable.

[0005] Chinese Patent 200920194919.3 discloses a wire feeding box for a wire feeding device of a rotating spring forming machine, including a box body pivotally connected to the frame of the spring forming machine. A base plate is provided on the upper part of the box body, and wire feeding wheels are provided on the base plate. Each pair of wire feeding wheels is symmetrically distributed on both sides of the rotation axis of the wire feeding box. A wire feeding motor is fixed above the base plate, and a transmission device is provided below it. The base plate is provided with a lateral adjustment device for adjusting the movement of the wire feeding wheels along the plane of the base plate, and the box body is provided with a vertical adjustment device for adjusting the movement of the wire feeding wheels in a direction perpendicular to the plane of the base plate.

[0006] The main drawbacks of the above technology include the tendency for slippage during the conveying process.

[0007] Therefore, providing a wire feeding device that prevents slippage during the conveying process has become a problem that the industry needs to solve. Utility Model Content

[0008] To address the shortcomings of existing technologies, the main objective of this invention is to provide a wire feeding wheel mechanism for a wire feeding device that can prevent slippage during the conveying process and improve the stability of the conveying process.

[0009] To achieve the above-mentioned main objectives, this utility model discloses a wire feeding wheel mechanism for a wire feeding device. The wire feeding device includes an opening and closing mechanism, which includes a support base and a pressing block. The pressing block presses on the support base. The front end of the pressing block is provided with a pressing shaft, and the rear end of the pressing block is an opening and closing end.

[0010] The wire feeding wheel mechanism includes a wire feeding motor and several wire feeding wheels; the wire feeding wheels include support wheels and pressing wheels; the support wheels are mounted on a support base and include a front support wheel and a rear support wheel; the pressing wheels are located on a pressing block and include a front pressing wheel and a rear pressing wheel; the front pressing wheel is located directly above the front support wheel, and the rear pressing wheel is located directly above the rear support wheel; each wire feeding wheel is driven to rotate by its coaxial drive wheel; the drive wheel is driven to rotate directly or indirectly by the wire feeding motor.

[0011] In this invention, a dual-drive wheel system is used, which enables both the upper and lower wire feeding wheels to be driven by the drive wheel, effectively preventing slippage during the conveying process and improving the stability of the conveying.

[0012] According to a specific embodiment of the present invention, the four drive wheels are a lower rear wheel, a lower front wheel, an upper rear wheel, and an upper front wheel; the lower rear wheel, the lower front wheel, and the upper front wheel all include gears and pulleys, and the upper rear wheel includes a pulley.

[0013] In this design, the gear and pulley of the lower rear wheel are coaxial, the gear and pulley of the lower front wheel are coaxial, and the gear and pulley of the upper front wheel are coaxial.

[0014] According to a specific embodiment of this utility model, the wire feeding motor drives the gear of the lower rear wheel through a reduction gear system, and the lower rear wheel drives the pulley of the lower front wheel through a belt; the gear of the lower front wheel meshes with the gear of the upper front wheel, and the upper front wheel drives the pulley of the upper rear wheel through a belt.

[0015] In this design, the pulley of the lower rear wheel is connected to the pulley of the lower front wheel via a belt, and the pulley of the upper front wheel is connected to the pulley of the upper rear wheel via a belt. The power transmission path of the wire feeding motor is as follows: wire feeding motor—reduction gear system—lower rear wheel gear—lower rear wheel pulley—lower front wheel pulley—lower front wheel gear—upper front wheel gear—upper front wheel pulley—upper rear wheel pulley. The four drive wheels rotate synchronously to complete the transmission of the brush thread.

[0016] This utility model has the following beneficial effects:

[0017] The wire feeding wheel mechanism of this utility model adopts a dual-drive wheel system, which enables both the upper and lower wire feeding wheels to be driven by the drive wheel, effectively avoiding slippage during the wire feeding process and improving the stability of wire feeding.

[0018] To more clearly illustrate the purpose, technical solution, and advantages of this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the wire feeding device in Embodiment 1;

[0020] Figure 2 This is a schematic diagram of the overall structure of the wire feeding device in Embodiment 1;

[0021] Figure 3 This is a partial structural schematic diagram of the wire detection mechanism in Example 1;

[0022] Figure 4 This is a partial structural diagram of the wire feeding device in Embodiment 1, which mainly shows the wire feeding wheel mechanism and the wire output detection mechanism;

[0023] Figure 5 This is a schematic diagram of the front groove of the mounting base in Embodiment 1;

[0024] Figure 6 This is a schematic diagram of the groove on the back of the mounting base in Embodiment 1;

[0025] Figure 7 This is a schematic diagram of the receiving groove on the back of the slider in Embodiment 1;

[0026] Figure 8 This is a partial structural diagram of the wire feeding device in Embodiment 1, which mainly shows the lifting mechanism;

[0027] Figure 9 This is a partial structural diagram of the wire feeding device in Embodiment 1, which mainly shows the wire feeding wheel mechanism;

[0028] Figure 10 This is a partial structural diagram of the wire feeding device in Embodiment 1, which mainly shows the length measuring component;

[0029] Figure 11 This is a schematic diagram of the length measuring component in Embodiment 1. Detailed Implementation

[0030] Many specific details are set forth in the following description in conjunction with embodiments in order to provide a full understanding of the present invention. However, it should be understood that the following embodiments and detailed descriptions are for illustrative purposes only and do not limit the scope of protection of the present invention.

[0031] Example 1

[0032] like Figures 1-11 As shown, this embodiment discloses a wire feeding device for an endoscope cleaning and disinfection machine, which includes an opening and closing mechanism 1, a lifting mechanism 2, a wire feeding wheel mechanism 3, a wire output detection mechanism 4, a length measuring component 5, a swinging mechanism 6, and a front housing 7.

[0033] The opening and closing mechanism 1 includes a support base 101 and a pressing block 102; the pressing block 102 presses on the support base 101; the front end of the pressing block 102 is provided with a pressing shaft 103, and the rear end of the pressing block 102 is the opening and closing end.

[0034] The lifting mechanism 2 is located below the pressing block 102. It includes a lifting motor 201, a lead screw 202 driven by the lifting motor 201, and an internally threaded tube 203 sleeved on the lead screw 202. The top end of the internally threaded tube 203 is connected to the pressing shaft 103 through a connecting rod 204. The connecting rod 204 includes a first connecting rod 205 and a second connecting rod 206. The two ends of the first connecting rod 205 are respectively connected to the internally threaded tube 203 and the second connecting rod 206. The end of the second connecting rod 206 is splinedly engaged with the pressing shaft 103.

[0035] The wire feeding wheel mechanism 3 includes a wire feeding motor 301 and several wire feeding wheels 302; each wire feeding wheel 302 includes a support wheel 303 and a pressing wheel 304; the support wheel 303 is mounted on a support base 101 and includes a front support wheel 3031 and a rear support wheel 3032; the pressing wheel 304 is located on the pressing block 102 and includes a front pressing wheel 3041 and a rear pressing wheel 3042; the front pressing wheel 3041 is located directly above the front support wheel 3031, and the rear pressing wheel 3042 is located directly above the rear support wheel 3032; each wire feeding wheel 302 is driven to rotate by its coaxial drive wheel 305, and the four drive wheels 305 are respectively the lower rear wheel 3051, the lower front wheel 3052, the upper rear wheel 3052, the lower front wheel 3053, the lower rear wheel 3053, the lower front wheel 3052, the lower rear wheel 3053, the lower front wheel 3052, the lower rear wheel 3053, the lower front wheel 3053 ... Wheel 3053, upper front wheel 3054; lower rear wheel 3051, lower front wheel 3052, and upper front wheel 3054 all include gears and pulleys, and upper rear wheel 3053 includes a pulley; the gear and pulley of lower rear wheel 3051 are coaxial, the gear and pulley of lower front wheel 3052 are coaxial, and the gear and pulley of upper front wheel 3054 are coaxial; the wire feeding motor 301 drives the gear of lower rear wheel 3051 through reduction gear system 306, and the pulley of lower rear wheel 3051 drives the pulley of lower front wheel 3052 through a belt; the gear of lower front wheel 3052 meshes with the gear of upper front wheel 3054, and the pulley of upper front wheel 3054 drives the pulley of upper rear wheel 3053 through a belt.

[0036] The outgoing detection mechanism 4 includes a mounting base 401, a sliding assembly 402, a rotating assembly 403, a signal receiver (not shown in the figure), and a reset assembly 404; the mounting base 401 is provided with a partition 4011, and the partition 4011 is provided with a shaft hole 4012; the partition 4011 divides the mounting base 401 into a front groove 4013 and a back groove 4014; the mounting base 401 is located on the support base 101, in front of the front support wheel 3031; the front groove 4013 is located on the upper side of the partition 4011, and the back groove 4014 is located on the lower side of the partition 4011;

[0037] The sliding assembly 402 includes a fixing member 4021 and a sliding member 4022. The fixing member 4021 is fixedly disposed on one side within the front groove 4013, and the sliding member 4022 is slidably disposed within the front groove 4013 on the opposite side of the fixing member 4021. Both the fixing member 4021 and the sliding member 4022 have two convex surfaces. The back of the sliding member 4022 is provided with a receiving groove 4023. The end of the sliding member 4022 away from the fixing member 4021 is provided with two parallel guide shafts 4024, and the edge of the front groove 4013 is provided with corresponding guide holes 4025. The guide shafts 4024 are inserted into the guide holes 4025, and the sliding member 4022 is slidably disposed on the guide shafts 4024.

[0038] The rotating assembly 403 includes an eccentric wheel 4031, a detection pendulum shaft 4032, and a detection pendulum rod 4033. The detection pendulum shaft 4032 passes through a shaft hole 4012, with one end fixedly connected to the non-axial part of the eccentric wheel 4031 and the other end fixedly connected to the detection pendulum rod 4033. The eccentric wheel 4031 is located within the space formed by the front groove 4013 and the receiving groove 4023, and the detection pendulum rod 4033 is located within the back groove 4014. A signal transmitter 4034 is provided at the end of the detection pendulum rod 4033. The signal transmitter 4034 is a magnet. A fixing seat 4015 for fixing the detection pendulum shaft 4032 is provided in the shaft hole 4012.

[0039] The signal receiver is located on one side of the back slot 4014 and is a magnetic induction sensor; when the detection lever 4033 moves to the end facing the signal receiver, the signal receiver receives the signal emitted by the signal transmitter 4034;

[0040] The reset assembly 404 includes a reset spring (not shown) and a spring support 4041. The spring support 4041 is mounted in the back groove 4014. One end of the reset spring is connected to the spring support 4041, and the other end is connected to the detection lever 4033.

[0041] The length measuring component 5 includes a rolling wheel 501, a connecting shaft 502, a signal wheel 503, and a length signal receiver 504. The rolling wheel 501 is a rubber wheel. The rolling wheel 501 is mounted on the support base 101 and is located between the front support wheel 3031 and the rear support wheel 3032. When feeding the wire, the rolling wheel 501 contacts the brush wire. The two ends of the connecting shaft 502 are connected to the rolling wheel 501 and the signal wheel 503, respectively. The signal wheel 503 is equipped with a length signal transmitter 505. The length signal receiver 504 is installed opposite the signal wheel 503. The signal wheel 503 is located between the lower rear wheel 3051 pulley and the lower front wheel 3052 pulley. The length signal transmitter 505 is a magnet, and four magnets are evenly distributed in a ring on the outer surface of the signal wheel 503.

[0042] The oscillating mechanism 6 includes an oscillating motor 601, an oscillating plate 602, and a multi-hole brush feeding guide block 603. The oscillating motor 601 drives the vertically arranged oscillating shaft 604 to rotate, and the oscillating plate 602 is fixedly sleeved on the oscillating shaft 604. The support base 101 is fixedly installed on the oscillating plate 602. The front housing 7 is located at the front end of the support base 101, and the front housing 7 is arc-shaped. The front housing 7 is provided with a wire outlet hole 701. The multi-hole brush feeding guide block 603 is provided with three brush outlet holes 605 at the same height. The rear surface of the brush guide block 603 is arc-shaped and matches the arc surface of the front housing 7; the swing motor 601 is arranged horizontally and drives the swing shaft 604 through the horizontal bevel gear 606 and the vertical bevel gear 607; the vertical bevel gear 607 is fixedly connected to the swing shaft 604; both the vertical bevel gear 607 and the swing shaft 604 are hollow to form a cable conduit; the lifting motor 201 is located below the vertical bevel gear 607, and the lead screw 202 passes through the cable conduit from below, and the cable conduit is sleeved outside the internal threaded tube 203.

[0043] Although the present invention has been described above through embodiments, the above embodiments are only used to exemplarily describe possible implementations of the present invention, and are not intended to limit the scope of protection of the present invention. Any equivalent substitutions or changes made by those skilled in the art in accordance with the present invention should also be covered by the scope of protection defined by the claims of the present invention.

Claims

1. A wire feeding wheel mechanism for a wire feeding device, the wire feeding device comprising an opening and closing mechanism, the opening and closing mechanism comprising a support base and a pressing block; the pressing block pressing above the support base; the pressing block having a pressing shaft at its front end and an opening and closing end at its rear end; characterized in that, The wire feeding wheel mechanism includes a wire feeding motor and a plurality of wire feeding wheels; each wire feeding wheel includes a support wheel and a pressing wheel; the support wheel is disposed on the support base and includes a front support wheel and a rear support wheel; the pressing wheel is located on the pressing block and includes a front pressing wheel and a rear pressing wheel; the front pressing wheel is located directly above the front support wheel, and the rear pressing wheel is located directly above the rear support wheel; each wire feeding wheel is driven to rotate by its coaxial drive wheel; the drive wheel is driven to rotate directly or indirectly by the wire feeding motor.

2. The wire feeding wheel mechanism according to claim 1, characterized in that, The four drive wheels are a lower rear wheel, a lower front wheel, an upper rear wheel, and an upper front wheel; each of the lower rear wheel, the lower front wheel, and the upper front wheel includes a gear and a pulley, and the upper rear wheel includes a pulley.

3. The wire feeding wheel mechanism according to claim 2, characterized in that, The wire feeding motor drives the gear of the lower rear wheel through a reduction gear system, and the lower rear wheel drives the pulley of the lower front wheel through a belt; the gear of the lower front wheel meshes with the gear of the upper front wheel, and the upper front wheel drives the pulley of the upper rear wheel through a belt.

Images