Screw wire pay-off reel

Abstract

The utility model discloses a screw wire pay-off reel which comprises a fixed frame and a movable frame, the movable frame is rotationally connected to the fixed frame, the fixed frame comprises a horizontally-arranged base plate, a central column is vertically arranged on the base plate, an iron ring welded to the base plate is coaxially arranged outside the central column, and the section of the iron ring is round. The movable frame comprises a horizontally-arranged tray, a center hole allowing the center column to penetrate out is formed in the center of the tray, a plurality of pulley assemblies are distributed on the periphery of the bottom of the tray, each pulley assembly comprises a wheel carrier connected with the tray and a wheel rotationally connected to the wheel carrier, and the wheels are connected to the iron ring in a rolling mode. The movable frame further comprises a core ring which is far away from the tray and is coaxial with the center hole, and a plurality of spokes with one ends connected with the core ring and the other ends connected with the tray are circumferentially distributed between the core ring and the tray. The pay-off reel has the advantages of being large in bearing capacity, stable in pay-off, complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, and more specifically, to a screw wire pay-off drum. Background Art

[0002] The raw material for making screws is usually steel wire, which is made into screw blanks of corresponding shapes by using cold heading equipment, and then completed by thread rolling. The wire made into screws is unwound from a pay-off drum. The force point of the traditional pay-off drum is located in the center. Long-term use will cause the edge of the drum to collapse under pressure, affecting the normal unwinding of the drum, resulting in a short service life, a high scrap frequency, and poor overall effect. Based on this, the utility model proposes a screw wire pay-off drum. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a screw wire pay-off drum, which has the characteristics of heavy load-bearing capacity and stable unwinding.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a screw wire pay-off drum, comprising a fixed frame and a movable frame, the movable frame is rotatably connected to the fixed frame, the fixed frame comprises a horizontally arranged chassis, a central column is vertically arranged on the chassis, an iron ring welded to the chassis is coaxially arranged outside the central column, and the cross section of the iron ring is circular;

[0005] The movable frame includes a horizontally arranged tray, a center hole for the center column to pass through is opened in the center of the tray, a plurality of pulley assemblies are arranged around the bottom of the tray, the pulley assembly includes a wheel frame connected to the tray, a wheel rotatably connected to the wheel frame, and the wheel is rollingly connected to the iron ring. The movable frame also includes a core ring that is away from the tray and coaxially arranged with the center hole, and a plurality of spokes are arranged between the core ring and the tray, one end of which is connected to the core ring and the other end is connected to the tray.

[0006] The utility model is further configured as follows: an upper reinforcement ring and a lower reinforcement ring connected to all spokes are arranged between the tray and the core ring, the upper reinforcement ring is close to the core ring, and the lower reinforcement ring is close to the tray.

[0007] The utility model is further configured that: the interval angles between two adjacent spokes are equal.

[0008] The utility model is further configured such that the interval angles between two adjacent pulley assemblies are equal.

[0009] The utility model is further configured as follows: a positioning groove for partially embedding the iron ring is provided on the wheel.

[0010] The utility model is further configured as follows: the central column is a steel pipe welded on the chassis.

[0011] In summary, the utility model has the following beneficial effects: the screw wire pay-off drum involved in the utility model distributes the force points evenly to the edge of the drum, cooperates with the center guide, realizes large load capacity and stable unwinding, has complete overall functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the movable frame of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the utility model for embodying a fixing frame. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0016] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0017] Example 1

[0018] See also Figures 1 to 3 As shown, a screw wire pay-off drum involved in this embodiment includes a fixed frame 100 and a movable frame 200, the movable frame 200 is rotatably connected to the fixed frame 100, the fixed frame 100 includes a horizontally arranged chassis 1, a central column 2 is vertically arranged on the chassis 1, and an iron ring 3 welded to the chassis 1 is coaxially arranged outside the central column 2, and the cross section of the iron ring 3 is circular;

[0019] The movable frame 200 includes a horizontally arranged tray 4, a center hole 5 for the center column 2 to pass through is opened in the center of the tray 4, a plurality of pulley assemblies are arranged around the bottom of the tray 4, the pulley assembly includes a wheel frame 6 connected to the tray 4, a wheel 7 rotatably connected to the wheel frame, and the wheel 7 is rollingly connected to the iron ring 3. The movable frame 200 also includes a core ring 8 that is away from the tray 4 and coaxial with the center hole 5, and a plurality of spokes 9 are arranged between the core ring 8 and the tray 4, with one end connected to the core ring and the other end connected to the tray.

[0020] Furthermore, the interval angles between two adjacent spokes 9 are equal.

[0021] Furthermore, the interval angles between two adjacent pulley assemblies are equal.

[0022] Furthermore, the central column 2 is a steel pipe welded to the chassis 1 .

[0023] In this embodiment, the core ring 8 cooperates with the center column 2 to serve as a center positioning and ensure relative rotation between the two. The core ring 8 arranged away from the tray 4 is connected to the tray 4 with spokes 9 to increase the amount of steel wire to be wound for unwinding. The unloaded movable frame 200 can be removed from the fixed frame 100.

[0024] Example 2

[0025] See also Figures 1 to 3 As shown, the screw wire pay-off drum involved in this embodiment is further configured on the basis of Embodiment 1, wherein an upper reinforcement ring 10 and a lower reinforcement ring 11 connected to all spokes 9 are provided between the tray 4 and the core ring 8, the upper reinforcement ring 10 is close to the core ring 8, and the lower reinforcement ring 11 is close to the tray 4.

[0026] In this embodiment, the upper reinforcement ring 10 and the lower reinforcement ring 11 are provided to reinforce the connecting spokes 9 .

[0027] Example 3

[0028] See also Figures 1 to 3 As shown, the screw wire pay-off drum involved in this embodiment is further configured on the basis of Embodiments 1 and 2, wherein a positioning groove 12 for partially embedding the iron ring 3 is provided on the wheel 7.

[0029] In this embodiment, the positioning groove 12 is provided to serve as a positioning guide when the wheel 7 rolls.

[0030] The screw wire pay-off drum involved in the utility model distributes the stress points evenly to the edge of the drum, cooperates with the center guide, realizes large load and stable pay-off, has complete overall functions and strong practicality.

[0031] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0032] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A screw wire pay-off drum, comprising a fixed frame and a movable frame, wherein the movable frame is rotatably connected to the fixed frame, and is characterized in that: The fixing frame comprises a chassis arranged horizontally, a central column is vertically arranged on the chassis, an iron ring welded to the chassis is coaxially arranged outside the central column, and the cross section of the iron ring is circular; The movable frame includes a horizontally arranged tray, a center hole for the center column to pass through is opened in the center of the tray, a plurality of pulley assemblies are arranged around the bottom of the tray, the pulley assembly includes a wheel frame connected to the tray, a wheel rotatably connected to the wheel frame, and the wheel is rollingly connected to the iron ring. The movable frame also includes a core ring that is away from the tray and coaxially arranged with the center hole, and a plurality of spokes are arranged between the core ring and the tray, one end of which is connected to the core ring and the other end is connected to the tray.

2. The screw wire pay-off drum according to claim 1, characterized in that: An upper reinforcement ring and a lower reinforcement ring connected to all spokes are arranged between the tray and the core ring, wherein the upper reinforcement ring is close to the core ring, and the lower reinforcement ring is close to the tray.

3. The screw wire pay-off drum according to claim 1 or 2, characterized in that: The interval angles between two adjacent spokes are equal.

4. The screw wire pay-off drum according to claim 3, characterized in that: The interval angles between two adjacent pulley assemblies are equal.

5. The screw wire pay-off drum according to claim 1, characterized in that: The wheel is provided with a positioning groove for the iron ring to be partially embedded.

6. The screw wire pay-off drum according to claim 1, characterized in that: The center column is a steel pipe welded to the chassis.

Images