WO2021243888A1

WO2021243888A1 - Transmission mechanism of stringing machine and stringing machine

Info

Publication number: WO2021243888A1
Application number: PCT/CN2020/116806
Authority: WO
Inventors: 许耕; 赵镧欣
Original assignee: 苏州工一链机电科技有限公司
Priority date: 2020-06-03
Filing date: 2020-09-22
Publication date: 2021-12-09
Also published as: CN212011944U

Abstract

A transmission mechanism of a stringing machine; the mechanism comprises at least one set of transmission assemblies, each set of transmission assemblies comprising two guide wheel structures (3) that are arranged opposite one another, the guide wheel structures (3) each comprising a guide wheel seat (304), a guide wheel (303), and a press cover (302) that are sequentially and coaxially fixed on a rotating rod (305), the side of the guide wheel seat (304) facing the guide wheel (303) being provided with a positioning boss structure (3041), the lower side of the guide wheel (303) sleeving the positioning boss structure (3041) to achieve circumferential positioning, and the upper side being pressed and locked by the press cover (302); a transmission mechanism, which comprises a worm (4) and a motor (5) for driving the worm (4) to rotate, each rotating rod (305) being transmissionally connected to the worm (4) by means of a worm gear (306), the worm (4) rotating and driving, by means of the worm gears (306), the rotating rods (305) to rotate; and a transmission box body (2), the worm (4) and the worm gears (306) being located inside of the transmission box body (2), the guide wheel structures (3) being located at the exterior of the transmission box body (2), a transport line (1) being sandwiched between two guide wheel structures (3) of each set, the worm (4) driving, by means of the worm gears (306) and the rotating rods (305), the guide wheel structures (3) to rotate, and the guide wheel structures (3) rotating and driving the transport line (1) to rotate.

Description

Transmission mechanism of stringing machine and stringing machine

Technical field

The invention relates to the technical field of stringing machines, in particular to a stringing machine transmission mechanism and a stringing machine.

Background technique

In modern construction and installation engineering, it is inevitable to thread the pipeline. Specifically, in the construction electrical engineering, industrial installation engineering, intelligent building engineering, municipal engineering, chemical engineering and other industries, such as: metal pipes, plastic pipes and composites Pipes for laying wires.

The current threading methods include manual threading and a gradually popular threading machine threading. At present, the wires of the threading machine are mostly metal wires. The motor is electrically matched with the worm gear structure to drive the wire wheel and drive the wire.

However, the current connection and fixing method of the wire wheel is simple pressing. This method is easy to slip when the threading machine rotates and drives the wire, resulting in poor threading effect.

Summary of the invention

In view of the problems in the background art, the present invention provides a method including:

At least one set of transmission components, each group of transmission components includes two oppositely arranged guide wheel structures, the guide wheel structure includes a guide wheel seat, a guide wheel, and a gland which are sequentially and coaxially fixed on a rotating rod, the guide wheel A positioning boss structure is provided on the side of the seat facing the guide wheel, the lower side of the guide wheel is sleeved on the positioning boss structure to achieve circumferential positioning, and the upper side is pressed and locked by the gland;

The transmission structure includes a worm and a motor that drives the worm to rotate, each rotating rod is respectively connected to the worm through a worm gear, and the worm rotates through the worm wheel to drive the rotating rod to rotate;

The transmission box, the worm and the worm gear are located in the transmission box, the guide wheel structure is located outside the transmission box, the transmission line is clamped between each group of two guide wheel structures, and the worm passes through the worm wheel, The rotation rod drives the rotation of the guide wheel structure, and the rotation of the guide wheel structure drives the transmission line to drive.

In some embodiments, the positioning boss structure is non-circular.

In some embodiments, the positioning boss structure is a regular polygon boss structure.

In some embodiments, the connecting surface of the guide wheel, the gland and the guide wheel seat is a two-stage stepped contact surface.

In some embodiments, the step portion of the secondary stepped contact surface is inclined.

In some embodiments, the connecting surface between the guide wheel and the gland and the connecting surface between the guide wheel and the guide wheel seat are provided with a plurality of evenly distributed anti-slip ribs in the circumferential direction.

In some embodiments, the upper end of the rotating rod is provided with a mounting platform, the guide wheel seat is sleeved on the upper end of the rotating rod, and the lower side thereof abuts on the mounting platform, and the guide wheel and the gland are sequentially sleeved At the upper end of the rotating rod, the pressing cover is threadedly connected with the upper end of the rotating rod, and the upper side of the pressing cover is compressed with a nut threadedly connected with the upper end of the rotating rod.

In some embodiments, the transmission box body includes a left box body and a right box body, the left box body and the right box body are hinged on one side, and a tie rod locking structure is also provided between the left box body and the right box body;

The two rotating rods of the guide wheel structure in each group of the transmission assembly are respectively arranged in the left box and the right box, and the pull rod locking structure is adjusted to adjust the distance between the left box and the right box. , To adjust the clamping force for clamping the transmission line between the two guide wheel structures in each group of the transmission assembly.

In some embodiments, the guide wheel structure is fixedly installed at the upper end of the rotating rod, and the lower end of the rotating rod is rotatably installed in the transmission box through a bearing.

In some embodiments, both ends of the left box body and the right box body are respectively rotatably connected with the two ends of the screw, so as to realize the articulation of one side of the left box body and the right box body.

In some embodiments, the pull rod locking structure includes a pull rod, the pull rod penetrates the left box body and the right box body, and both ends of the pull rod extend out of the left box body and the right box body, In addition, one end of the pull rod has a limit part, and the other end is threadedly connected with a locking member.

In some embodiments, the pull rod locking structure further includes a spring, the spring is sleeved on the pull rod, and the spring is located in the transmission box, and the two ends are respectively pressed against the left box and the transmission box. On the inner wall of the right box.

The present invention also provides a threading machine, which includes the above-mentioned threading machine transmission mechanism.

Compared with the prior art, the present invention has the following advantages and positive effects due to the adoption of the above technical solutions:

1. In the threading machine transmission mechanism provided by the present invention, on the premise that the guide wheel is fixed by the gland, a positioning boss structure is added between the guide wheel and the guide wheel seat to realize the circumferential limit of the guide wheel , In order to prevent the problem of the guide wheel from rotating relative to the guide wheel seat when conveying the transmission line, the guide wheel is not easy to slip, and transmits greater torque to ensure the normal conveying of the transmission line;

2. In the transmission mechanism of the stringing machine provided by the present invention, the transmission box is designed as a left and right box structure. A tie rod locking structure is also provided between the left box and the right box. The distance between the box body and the right box body is used to adjust the distance between the two guide wheel structures in each group of transmission components, and the clamping force of the clamping transmission line is adjusted from the bar to be suitable for various sizes of transmission lines. Transmit.

Description of the drawings

The above and other features and advantages of the present invention can be understood more clearly through the following detailed description in conjunction with the accompanying drawings. Among them:

Figure 1 is a schematic diagram of the overall structure of the threading machine transmission mechanism provided in embodiment 1;

Figure 2 is an internal schematic diagram of the transmission mechanism of the stringing machine provided in embodiment 1;

3 is a schematic diagram of the disassembly of the transmission mechanism of the stringing machine provided in Embodiment 1;

4 is a cross-sectional view of the guide wheel structure in Embodiment 1;

5 is a partial schematic diagram of the structure of the guide wheel in Embodiment 1;

6 is a schematic diagram of the structure of the stringing machine provided in Embodiment 2.

detailed description

Referring to the drawings showing embodiments of the present invention, the present invention will be described in more detail below. However, the present invention can be implemented in many different forms and should not be construed as being limited by the embodiments presented herein. On the contrary, these embodiments are proposed to achieve a full and complete disclosure and to enable those skilled in the art to fully understand the scope of the present invention. In these drawings, the sizes and relative sizes of layers and regions may be exaggerated for clarity.

It should be noted that all the directional indicators (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the difference between the components in a specific posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

Example 1

Referring to Figures 1-5, the present invention provides a threading machine transmission mechanism, including a transmission box 2, a transmission structure, and at least one set of transmission components; each group of transmission components includes two oppositely arranged guide wheel structures 3, the guide wheels The structure includes a guide wheel seat 304, a guide wheel 303, and a gland 302 that are sequentially and coaxially fixed on a rotating rod 305. A positioning boss structure 3041 is provided on the side of the guide wheel seat 304 facing the guide wheel 303, and the guide wheel 303 is lowered. The side is sleeved on the positioning boss structure 3041 to realize circumferential positioning, and the upper end surface is pressed and locked by the gland 302, so as to realize the fixation of the guide wheel base 304, the guide wheel 303, the gland 302 and the rotating rod 305; the transmission structure includes a worm 4 and a motor 5 that drives the worm 4 to rotate. Each rotating rod 305 is respectively connected to the worm 4 through a worm wheel 306. The worm 4 rotates through the worm wheel 306 to drive the rotating rod 305 to rotate; the worm 4 and the worm wheel 306 are located in the transmission box 2, and the guide wheel The structure 3 is located outside the transmission box body 2, and the transmission line is clamped between each group of two guide wheel structures 3. The worm 4 drives the guide wheel structure 3 to rotate through the worm wheel 306 and the rotating rod 305, and the guide wheel structure 3 rotates to drive the transmission line 1 to drive.

In the threading machine transmission mechanism provided by the present invention, on the premise that the guide wheel is fixed by the gland, the positioning boss structure is added between the guide wheel and the guide wheel seat to realize the limit of the guide wheel in the circumferential direction. To prevent the problem of the guide wheel from rotating relative to the guide wheel seat when conveying the transmission line, the guide wheel is not easy to slip, and transmits greater torque to ensure the normal conveying of the transmission line.

In this embodiment, as shown in Figures 1-3, the transmission mechanism of the stringing machine includes two sets of transmission components. The guide wheel structures 3 are distributed on both sides of the conveying line 1 and clamp the conveying line 1. The two guide wheel structures 3 rotate in opposite directions to realize the conveying of the conveying line 1.

Of course, in other embodiments, only one set of transmission components may be provided, or more than two sets of transmission components may be provided, which can be selected according to specific conditions, and there is no limitation here.

In this embodiment, as shown in Figures 3-5, the guide wheel structure 3 includes a guide wheel seat 304, a guide wheel 303, and a gland 302; a mounting platform 3051 is provided on a circle of the upper side wall of the rotating rod 305, and the guide wheel seat 304 is sleeved on the upper end of the rotating rod 305, and its lower end abuts on the top of the mounting platform 3051; the upper end of the guide wheel base 304 is coaxially provided with a positioning boss structure 3041, and the lower end of the guide wheel 303 is provided with and positioning The inner concave part of the boss structure 3041 is matched, the guide wheel 303 is sleeved on the upper end of the rotating rod 305, and the positioning boss structure 3041 extends into the inner concave part to realize the circumferential positioning between the guide wheel 303 and the guide wheel seat 304; the gland 302 sets Set at the upper end of the rotating rod 305, the lower end of the pressing cover 302 is pressed against the upper end surface of the guide wheel 303, and the pressing cover 302 is threadedly connected with the rotating rod 305.

Among them, the positioning boss structure 3041 is non-circular; the preferred positioning boss structure 3041 in this embodiment is a regular polygon boss structure. Of course, in other embodiments, the positioning boss structure may also have other irregular shapes, as long as It is not a circle, there is no restriction here, and it can be adjusted according to the specific situation.

Among them, as shown in Figure 4, the connecting surface between the guide wheel 303 and the gland 302, and the connecting surface between the guide wheel 303 and the guide wheel seat 304 are two-stage stepped contact surfaces, and a further two-stage stepped contact surface The stepped portion is inclined; this embodiment makes the guide wheel seat 304, the guide wheel 303, and the gland 302 more tightly pressed together through the arrangement of the above-mentioned two-stage stepped contact surface, thereby further ensuring the guide wheel 303 The fixation is firmer.

Among them, as shown in FIG. 5, the connecting surface between the guide wheel 303 and the gland 302 and the connecting surface between the guide wheel 303 and the guide wheel seat 304 are provided with a number of circumferentially uniformly distributed anti-skid ribs 3042. For further explanation, anti-slip ribs may be provided on the lower end surface of the guide wheel 303 and the upper end surface of the guide wheel base 304 at the same time, and anti-slip ribs are provided on the upper end surface of the guide wheel base 303 and the lower end surface of the gland 302; Alternatively, one of the lower end surface of the guide wheel 303 and the upper end surface of the guide wheel base 304 is provided with anti-slip ribs, and one of the upper end surface of the guide wheel base 303 and the lower end surface of the gland 302 is provided with anti-slip ribs. Specific choices need to be made, and there is no restriction here.

Furthermore, the anti-slip ribs 3042 are in a radially extending strip structure, and this design is beneficial to further ensure the mutual circumferential positioning effect.

In this embodiment, the upper end of the gland 302 is also compressed with a nut 301 threadedly connected to the upper end of the rotating rod 305. The arrangement of the nut 301 is used to further realize the relationship between the gland 302, the guide wheel 303, and the guide wheel seat 304. The effect of pressing and tightening between the two; Of course, in other embodiments, the setting of the nut 301 can also be omitted, or the nut 301 is inherited on the upper end surface of the gland 302. There is no restriction here, and it can be selected according to specific needs.

In this embodiment, the guide wheel 303 is a rubber wheel, which not only ensures good transmission of the transmission line, but also avoids damage to the transmission; of course, guide wheels of other materials can also be used in other embodiments, and there is no limitation here. , Can be adjusted according to specific conditions.

In this embodiment, as shown in Figure 3, the transmission case 2 includes a left case 201 and a right case 202, the left case 201 and the right case 202 are hinged on one side; the worm 4 is located in the transmission case, and the left case The two ends of the body 201 and the right box body 202 are respectively rotatably connected with the two ends of the worm 4 to realize the articulation of the left box body 201 and the right box body 202 on one side; specifically, the two ends of the worm 4 are provided with bearings 401, The two ends of the worm 4 are connected to the left housing 201 and the right housing 202 through a bearing 401. Among them, the worm 4 can rotate relative to the left housing 201 and the right housing 202 to achieve self-rotation. The box body 202 can also rotate relative to the bearing 401 to realize the rotational opening and closing between the left box body 201 and the right box body 202.

In this embodiment, the rotating rods 305 connected by the two guide wheel structures in each group of transmission components are respectively arranged in the left box body 201 and the right box body 202, and the lower end of the rotating rod 305 extends into the transmission box body 2, and The bottom is rotatably mounted on the inner bottom of the left box body 201 and the right box body 202 through a bearing, and the upper end of the rotating rod 305 extends out of the transmission box body 2 for installing the guide wheel structure 3;

Among them, each transmission rod 305 is fixedly provided with a worm wheel 306 on the rotating rod 305 in the transmission box 2, and the two worm wheels 306 on each group of transmission components are separately arranged on both sides of the worm 4 and meshed with it. The worm 4 rotates to drive both sides The worm gear 306 rotates in the opposite direction.

Wherein, the motor 5 is arranged on the rear end surface of the transmission box body 2, and the output end of the motor 5 is connected with the worm 4 for driving the worm 4 to rotate. Of course, in other embodiments, the setting position of the motor is not limited to the above, and can be adjusted according to specific conditions.

In this embodiment, a tie rod locking structure is also provided between the left box body 201 and the right box body 202. The tie rod locking structure is adjusted to adjust the distance between the left box body 201 and the right box body 202 to adjust each The distance between the two guide wheel structures in the group transmission assembly can be adjusted from the clamping force of the clamping transmission line, so as to be suitable for the transmission of various sizes of transmission lines.

Specifically, in conjunction with Figures 1 and 3, the tie rod locking structure includes a tie rod 6, the tie rod 6 penetrates the left box body 201 and the right box body 202, and the extension direction of the tie rod 6 is perpendicular to the transmission direction of the transmission line; The two ends respectively extend out of the left box body 201 and the right box body 202, and the pull rod 6 has a limiting portion 601 at one end, and a locking member 8 is screwed on the other end. Furthermore, the tie rod locking structure further includes a spring 7 sleeved on the tie rod 6, the spring 7 is located in the transmission case 2, and the two ends abut against the inner walls of the left case 201 and the right case 202 respectively. By rotating the locking member 8, the left box body 201 and the right box body 202 are opened and closed, thereby adjusting the distance between the two.

Further, the locking member 8 in this embodiment is a handle structure; of course, in other embodiments, the locking member may not be a handle structure, and can be changed according to specific needs, and there is no limitation here.

Example 2

6, this embodiment provides a threading machine, including the threading machine transmission mechanism 02 described in Embodiment 1.

In this embodiment, the threading machine further includes a threading frame structure 01, a conduit 04, and a grip portion 03. The threading frame structure 01 is located behind the threading machine transmission mechanism 02 and is used for winding the transmission line 1, and the conduit 04 is set on the threading machine The front end of the transmission mechanism 02 and the hand grip 03 are provided at the lower end of the transmission mechanism 02 of the stringing machine.

The transmission line on the wire frame structure 01 passes through the guide wheel structure on the wire threading machine transmission mechanism 02 and then enters the duct 04, and the transmission wire is transported out through the duct 04 under the action of the wire threading machine transmission mechanism 02.

Those skilled in the art should understand that the present invention can be implemented in many other specific forms without departing from its own spirit or scope. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to these embodiments, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the appended claims.

Claims

A transmission mechanism of a stringing machine, which is characterized in that it comprises:

At least one set of transmission components, each group of transmission components includes two oppositely arranged guide wheel structures, the guide wheel structure includes a guide wheel seat, a guide wheel, and a gland which are sequentially and coaxially fixed on a rotating rod, the guide wheel A positioning boss structure is provided on the side of the seat facing the guide wheel, the lower side of the guide wheel is sleeved on the positioning boss structure to achieve circumferential positioning, and the upper side is pressed and locked by the gland;

The transmission structure includes a worm and a motor that drives the worm to rotate, each rotating rod is respectively connected to the worm through a worm gear, and the worm rotates through the worm wheel to drive the rotating rod to rotate;

The transmission box, the worm and the worm gear are located in the transmission box, the guide wheel structure is located outside the transmission box, the transmission line is clamped between each group of two guide wheel structures, and the worm passes through the worm wheel, The rotation rod drives the rotation of the guide wheel structure, and the rotation of the guide wheel structure drives the transmission line to drive.
The threading machine transmission mechanism according to claim 1, wherein the positioning boss structure is non-circular.
The threading machine transmission mechanism according to claim 2, wherein the positioning boss structure is a regular polygon boss structure.
The threading machine transmission mechanism according to claim 1, wherein the connecting surface of the guide wheel, the gland and the guide wheel seat is a two-stage stepped contact surface.
The threading machine transmission mechanism according to claim 4, wherein the step portion of the secondary stepped contact surface is inclined.
The threading machine transmission mechanism according to claim 1 or 5, wherein the connecting surface between the guide wheel and the gland, the connecting surface between the guide wheel and the guide wheel seat There are several anti-skid ribs evenly distributed in the circumferential direction.
The threading machine transmission mechanism according to claim 1, wherein the upper end of the rotating rod is provided with a mounting platform, and the guide wheel seat is sleeved on the upper end of the rotating rod, and the lower side thereof abuts on the mounting platform, The guide wheel and the pressing cover are sequentially sleeved on the upper end of the rotating rod, the pressing cover is threadedly connected with the upper end of the rotating rod, and the upper side of the pressing cover is compressed with a threaded connection with the upper end of the rotating rod Nut.
The threading machine transmission mechanism according to claim 1, wherein the transmission box body includes a left box body and a right box body, the left box body and the right box body are hinged on one side, and the left box body and the right box body are The room is also provided with a tie rod locking structure;

The two rotating rods of the guide wheel structure in each group of the transmission assembly are respectively arranged in the left box and the right box, and the pull rod locking structure is adjusted to adjust the distance between the left box and the right box. , To adjust the clamping force for clamping the transmission line between the two guide wheel structures in each group of the transmission assembly.
The threading machine transmission mechanism according to claim 8, wherein the guide wheel structure is fixedly installed at the upper end of the rotating rod, and the lower end of the rotating rod is rotatably installed in the transmission box through a bearing.
The threading machine transmission mechanism according to claim 8, wherein both ends of the left box body and the right box body are rotatably connected with the two ends of the screw to realize the left box body and the right box body. Hinge on one side of the box.
The threading machine transmission mechanism according to claim 8, wherein the pull rod locking structure comprises a pull rod, the pull rod penetrates the left box body and the right box body, and both ends of the pull rod extend The left box body and the right box body, and one end of the pull rod has a limit part, and the other end is threadedly connected with a locking member.
The threading machine transmission mechanism according to claim 8, wherein the pull rod locking structure further comprises a spring, the spring is sleeved on the pull rod, and the spring is located in the transmission box with two ends Respectively abut on the inner walls of the left box body and the right box body.
A stringing machine, characterized in that it comprises the stringing machine transmission mechanism according to any one of claims 1-12.