CN209860485U - Rotary wire feeder - Google Patents

Abstract

The utility model discloses a rotary wire feeder, which comprises a fixed plate, a central rod, a rotary disc and a central bracket, a support is arranged below the fixed plate, a bearing seat is arranged on the fixed plate, the upper end of the bearing seat tightly presses the bearing through a first flange, the lower end of the central rod penetrates through the center of the bearing, the lower part of the central rod is sequentially sleeved with a pressing sleeve, an O-shaped sealing ring and a second flange from top to bottom, the second flange is provided with an adjusting screw, the central rod is provided with a central rod step surface, a turntable is arranged on the step surface of the central rod, the upper part of the central rod is provided with threads, a retainer ring is arranged below the nut, the upper part of the central bracket is hung on the retainer ring, the central rod is positioned between the retainer ring and the nut and is also sequentially sleeved with a spring and a washer, a hand wheel is arranged at the top of the central rod, and a plurality of groups of four-bar mechanisms are arranged on the central support. The utility model discloses a rotatory wire feeder has characteristics such as convenient operation, simple structure.

Description

Rotary wire feeder

Technical Field

The utility model relates to a rotatory line technical field that send, more specifically relates to a rotatory line ware that sends.

Background

When the existing rotary wire feeder is used, a wire coil needs to be placed on a central disc, 3 or 4 vertical rods are used for outwards supporting the wire coil, and then a pressing rod is used for pressing the wire coil. Along with the use reduction of electric wire, need constantly to lock the depression bar and compress tightly the drum, current rotatory wire feeder rotation portion adopts slip or antifriction bearing, does not possess rotatory damping function, rotates and stops the difficulty, often appears too much wire feeding phenomenon, the tension of electric wire can't keep during messenger's unwrapping wire.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a rotary wire feeder, which has the advantages of convenient operation and simple structure.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a rotary wire feeder comprises a fixed plate, a central rod, a rotary disc and a central support, wherein a support column is arranged below the fixed plate, a bearing seat is arranged on the fixed plate, a bearing is arranged on the bearing seat, the upper end of the bearing seat tightly presses the bearing through a first flange, the lower end of the central rod penetrates through the center of the bearing, a pressing sleeve, an O-shaped sealing ring and a second flange are sequentially sleeved on the lower portion of the central rod from top to bottom, an adjusting screw is arranged on the second flange, the adjusting screw on the second flange is adjustably fixed on the bearing seat, a step surface of the central rod is arranged on the central rod, the rotary disc is arranged on the step surface of the central rod, the upper portion of the central rod is provided with a thread, a screwed nut is arranged on the thread, the central support is sleeved on the central rod, the central rod is positioned between the retainer ring and the nut, the spring and the washer are sequentially sleeved on the central rod from top to top, a hand wheel is arranged at the top of the central rod, a plurality of groups of four-bar mechanisms are arranged on the central support, each group of four-bar mechanisms consists of a central support, two connecting plates and a support plate, the two connecting plates are arranged on the central support, the ends of the two connecting plates are connected with the support plate, the turntable is provided with a long groove, the lower parts of the support plates are inserted into the long groove of the turntable, and the lower ends of the connecting plates are supported on two.

Further, the number of the pillars is at least 3.

Furthermore, the upper part of the central rod is provided with right-handed threads.

Furthermore, the top of the center rod is connected with a hand wheel through a pin.

Furthermore, three groups of four-bar mechanisms are arranged on the central support.

Furthermore, the central support is connected with the two connecting plates through pins.

Furthermore, the support plate is connected with the two connecting plates through pins.

The beneficial effects of the utility model are that: a rotary wire feeder is characterized in that when the rotary wire feeder is used, a hand wheel is held by one hand, a nut is rotated anticlockwise by the other hand, the nut rises to drive a central support to rise, three groups of four-bar mechanisms are folded towards the center until the inner diameter of a wire coil is smaller than the inner diameter of the wire coil, a wire coil can be sleeved from the upper part and flatly placed on a rotary disc, the hand wheel is held by one hand, the nut rotates clockwise by the other hand, the nut descends to drive the central support to descend, the three groups of four-bar mechanisms expand outwards, a support plate contacts with an inner ring of the wire coil, the nut rotates clockwise continuously, the nut presses a spring downwards, the spring contracts and presses the central support downwards, the three groups of four-bar mechanisms expand outwards continuously, the support plate supports the inner ring of the wire coil, an end of the wire is pulled, the wire drives the rotary wire feeder to rotate, the wire is discharged in the tangential direction, the friction force between the central rod and the O-shaped sealing ring is increased, the effect of increasing the rotary damping is achieved, otherwise, the rotary damping can be reduced by loosening the adjusting screw, the electric wire end is pulled, the electric wire drives the rotary wire feeder to rotate, the electric wire is discharged along the tangential direction, the adjusting screw is screwed, the rotary damping is adjusted, the tension of the electric wire during paying off can be changed, when the remaining electric wires of the electric wire disc are few, the binding force of the outer ring electric wire to the inner ring electric wire is weakened, the inner hole of the electric wire disc can be amplified, the spring between the nut and the central support extends to enable the central support to move downwards, the three groups of four-bar mechanisms expand outwards.

The spiral motion between the nut and the central rod is converted into the expanding motion of three groups of four connecting rods from the center to the outside, the operation is convenient, and the supporting force for the wire coil is large; the three groups of four-bar mechanisms are expanded from the center to the outside at the same time, and the centering performance of the wire coil is good; when the residual wires of the wire coil are not large, the springs enable the three groups of four-bar mechanisms to automatically expand outwards to support the wires; adjustable rotary damping can change the tension of electric wire when unwrapping wire, the utility model discloses convenient operation, simple structure.

Drawings

Fig. 1 is a schematic structural view of a rotary wire feeder of the present invention;

fig. 2 is a schematic cross-sectional structural view of a rotary wire feeder of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a turntable; 2. a center pole; 3. a bearing seat; 4. a fixing plate; 5. a central support; 6. connecting plates; 7. a gasket; 8. a nut; 9. a support plate; 10. a hand wheel; 11. a retainer ring; 13. a second flange; 14. pressing the sleeve; 14. pressing the sleeve; 16. a first flange; 17. a pillar; 18. a bearing; 19. an O-shaped sealing ring; 20. a spring; 21. and adjusting the screw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable manner, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-2, a rotary wire feeder of this embodiment, which includes a fixing plate 4, a central rod 2, a rotary table 1, and a central support 5, a supporting column 17 is installed below the fixing plate 4, a bearing seat 3 is installed on the fixing plate 4, a bearing 18 is installed on the bearing seat 3, the bearing 18 is pressed by a first flange 16 at the upper end of the bearing seat 3, the lower end of the central rod 2 passes through the center of the bearing 18, a pressing sleeve 14, an O-ring 19, and a second flange 13 are sequentially sleeved on the lower portion of the central rod 2 from top to bottom, an adjusting screw 21 is installed on the second flange 13, the adjusting screw 21 on the second flange 13 is adjustably fixed on the bearing seat 3, a central rod step surface is installed on the central rod 2, the rotary table 1 is installed on the central rod step surface, the upper portion of the central rod 2 is a screw thread, the central rod 2 is positioned between the retainer ring 11 and the nut 8, the spring 20 and the washer 7 are sequentially sleeved on the upper part of the central rod 2, the top of the central rod 2 is provided with a hand wheel 10, the central rod 5 is provided with a plurality of groups of four-bar mechanisms, each group of four-bar mechanisms consists of the central rod 5, two connecting plates 6 and a support plate 9, the central rod 5 is provided with the two connecting plates 6, the ends of the two connecting plates 6 are connected with the support plate 9, the turntable 1 is provided with a long groove, the lower parts of the support plates 9 are inserted into the long groove of the turntable 1, and the lower ends of the connecting plates 6 are supported on two sides of the long groove of the turntable.

The number of the support columns 17 in the rotary wire feeder of the present embodiment is at least 3.

In the rotary wire feeder of the embodiment, the upper part of the central rod 2 is provided with a right-handed thread.

In the rotary wire feeder, the top of a center rod 2 is connected with a hand wheel 10 through a pin.

Three groups of four-bar mechanisms are arranged on a central bracket 5 in the rotary wire feeder.

In the rotary wire feeder, a central bracket 5 is connected with two connecting plates 6 by adopting pins.

In the rotary wire feeder, the support plate 9 is connected with the two connecting plates 6 through pins.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that various changes, modifications, substitutions and alterations can be made therein by those skilled in the art without departing from the scope of the present invention.

Claims (7)

1. A rotary wire feeder is characterized by comprising a fixed plate, a central rod, a rotary disc and a central support, wherein a supporting column is arranged below the fixed plate, a bearing seat is arranged on the fixed plate, a bearing is arranged on the bearing seat, the upper end of the bearing seat tightly presses the bearing through a first flange, the lower end of the central rod penetrates through the center of the bearing, a pressing sleeve, an O-shaped sealing ring and a second flange are sequentially sleeved on the lower portion of the central rod from top to bottom, an adjusting screw is arranged on the second flange, the adjusting screw on the second flange is adjustably fixed on the bearing seat, a step surface of the central rod is arranged on the central rod, the rotary disc is arranged on the step surface of the central rod, the upper portion of the central rod is provided with a thread, a nut is screwed in the thread, the central support is sleeved on the central rod, a, the central rod is positioned between the retainer ring and the nut, the spring and the washer are sequentially sleeved on the central rod from top to top, a hand wheel is arranged at the top of the central rod, a plurality of groups of four-bar mechanisms are arranged on the central support, each group of four-bar mechanisms consists of a central support, two connecting plates and a support plate, the two connecting plates are arranged on the central support, the ends of the two connecting plates are connected with the support plate, the turntable is provided with a long groove, the lower parts of the support plates are inserted into the long groove of the turntable, and the lower ends of the connecting plates are supported on two.

2. The rotary wire feeder of claim 1, wherein the number of said legs is at least 3.

3. The rotary wire feeder of claim 1, wherein the upper portion of the center rod is right-handed threaded.

4. The rotary wire feeder of claim 1, wherein the top of the center rod is pinned to a hand wheel.

5. The rotary wire feeder as claimed in claim 1, wherein three sets of four-bar linkages are provided on the central support.

6. The rotary wire feeder according to claim 1, wherein the central support is connected to the two link plates by a pin.

7. The rotary wire feeder according to claim 1, wherein the support plate is connected with the two connecting plates by a pin.