Split type positioning guide pin for winding drum

Abstract

The utility model relates to the technical field of winding drum positioning pins, in particular to a winding drum split type positioning guide pin which comprises a pin sleeve structure and a hexagon socket screw, the pin sleeve structure comprises a shaft sleeve and a thread sleeve, threaded holes are formed in the inner side of the shaft sleeve and the inner side of the thread sleeve, and the upper end of the hexagon socket screw is in threaded connection with the shaft sleeve. The bottom end of the inside hexagonal bolt is in threaded connection with the threaded sleeve. The split type positioning guide pin of the winding drum is stable, high in strength, not prone to breakage and convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of reel positioning pins, in particular to a reel split type positioning guide pin. Background Art

[0002] At present, the uncoiler and coiler drum sectors of the cold rolling recoiling unit are connected to the main shaft through positioning guide pins;

[0003] Four positioning grooves and four wedge-shaped grooves are provided on the outside of the main shaft, and a sector block is provided on the outside of the main shaft. A mounting hole corresponding to the sector block is provided at the positioning groove on the side of the sector block close to the main shaft, and a wedge-shaped groove corresponding to the sector block is provided at the wedge-shaped groove. A positioning guide pin is provided between the positioning groove and the mounting hole, and a wedge block is provided in the wedge-shaped groove. By pulling the wedge block, the sector block can be driven to move relative to the main shaft, thereby realizing the expansion and contraction of the outside of the sector block, that is, the expansion and contraction of the reel. The purpose of the positioning guide pin is to enable the sector block to move smoothly, so that the expansion and contraction of the reel is more stable.

[0004] However, the existing positioning guide pin structure is generally an integrated one. Under this design, the bolts of the positioning guide pin are very easy to loosen or even break, which often causes equipment failure. Through analysis, it is found that the main reason for the loosening or even breaking of the bolts of the positioning guide pin is that the main shaft and the bolt pins of the fan-shaped block are not completely in line due to processing errors. When the reel expands and contracts, the positioning guide pin will be squeezed and loosened or even broken. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a reel-type split positioning guide pin which is stable, high in strength, not easy to break and easy to disassemble and assemble.

[0006] The technical solution adopted by the utility model is a reel split type positioning guide pin, comprising a pin sleeve structure and a hexagon socket bolt, wherein the pin sleeve structure comprises a shaft sleeve and a threaded sleeve, threaded holes are provided on the inner sides of the shaft sleeve and the threaded sleeve, the upper end of the hexagon socket bolt is threadedly connected to the shaft sleeve, and the bottom end of the hexagon socket bolt is threadedly connected to the threaded sleeve.

[0007] As a further solution of the utility model: a reserved groove is provided at the top of the threaded hole inside the sleeve, which is located at the top of the hexagon socket bolt.

[0008] As a further solution of the utility model: the pin sleeve structure is installed between the external main shaft and the sector block, a tapered groove is provided on the side of the main shaft, and a positioning thread groove is provided on one side of the tapered groove.

[0009] As a further solution of the utility model: the outer side of the shaft sleeve close to one end of the screw sleeve is a conical structure.

[0010] As a further solution of the utility model: a thread structure is provided on the outer side of the screw sleeve.

[0011] Compared with the prior art, the utility model has the following advantages: the utility model adds a split positioning guide pin structure. When installing, the screw sleeve thread is first rotated and installed in the positioning thread groove on one side of the external main shaft, and then the sleeve is inserted into the mounting hole of the external sector block, and then the tapered end of the sleeve is slid into the tapered groove to make one end of the sleeve fit with one side of the screw sleeve, and then the hexagon socket bolt is passed through the inner threaded hole of the sleeve through the mounting hole and installed in the threaded hole on the inner side of the screw sleeve. The installation and tightening can prevent the positioning guide pin from loosening and breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a sectional view of the overall structure of a positioning guide pin in a reel-split positioning guide pin of the utility model.

[0014] Figure 2 The utility model is a cross-sectional view of a shaft sleeve structure in a reel split type positioning guide pin.

[0015] Figure 3 The utility model is a cross-sectional view of a screw sleeve structure in a reel-type split positioning guide pin.

[0016] Figure 4 It is a schematic diagram of the installation of the positioning guide pin in the prior art of the utility model.

[0017] In the attached figure:

[0018] 1. Pin sleeve structure; 2. Hexagon socket bolt; 3. Main shaft; 4. Fan-shaped block; 1.1. Bushing; 1.2. Screw sleeve; 1.3. Threaded hole; 1.4. Reserved groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a technical solution to solve the existing problems raised in the background technology.

[0021] Combined with Figure 1-4 It can be known that the positioning guide pin structure includes a pin sleeve structure 1 and a hexagon socket bolt 2, the pin sleeve structure 1 includes a shaft sleeve 1.1 and a screw sleeve 1.2, threaded holes 1.3 are provided on the inner sides of the shaft sleeve 1.1 and the screw sleeve 1.2 for installing the hexagon socket bolt 2, the upper end of the hexagon socket bolt 2 is threadedly connected to the shaft sleeve 1.1, and the bottom end of the hexagon socket bolt 2 is threadedly connected to the screw sleeve 1.2.

[0022] The top of the inner threaded hole 1.3 of the sleeve 1.1 is located at the top of the hexagon socket bolt 2 and is provided with a reserved groove 1.4, which is convenient for reserving installation space for the top of the hexagon socket bolt 2; the pin sleeve structure 1 is installed between the external main shaft 3 and the fan-shaped block 4, and plays a role in positioning and guiding the fan-shaped block 4; the outer side of the sleeve 1.1 close to one end of the screw sleeve 1.2 is a conical structure, which is convenient for installation in the positioning thread groove on one side of the main shaft 3; the outer side of the screw sleeve 1.2 is provided with a threaded structure, which is convenient for installation in the positioning thread groove on one side of the main shaft 3.

[0023] The working principle of the present application is as follows: when installing the pin sleeve structure, firstly, use a tool to rotate and install the screw sleeve 1.2 in the positioning thread groove on one side of the main shaft 3 to fix it, and then put the sleeve 1.1 into the mounting hole on one side of the sector block 4, the tapered part at one end of the sleeve 1.1 naturally fits with the tapered groove on the side of the main shaft, one end of the sleeve 1.1 contacts one side of the screw sleeve 1.2, and then tighten the hexagon socket bolt into the threaded hole 1.3 for positioning and tightening, and the installation is complete.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A reel split type positioning guide pin, comprising a pin sleeve structure (1) and a hexagon socket bolt (2), characterized in that: The pin sleeve structure (1) comprises a shaft sleeve (1.1) and a screw sleeve (1.2); threaded holes (1.3) are provided inside the shaft sleeve (1.1) and the screw sleeve (1.2); the upper end of the hexagon socket bolt (2) is threadedly connected to the shaft sleeve (1.1); and the bottom end of the hexagon socket bolt (2) is threadedly connected to the screw sleeve (1.2).

2. The reel split type positioning guide pin according to claim 1, characterized in that: The top end of the threaded hole (1.3) inside the shaft sleeve (1.1) is located at the top end of the hexagon socket bolt (2) and is provided with a reserved groove (1.4).

3. The reel split type positioning guide pin according to claim 1, characterized in that: The outer side of the screw sleeve (1.2) is provided with a thread structure.

4. The reel split type positioning guide pin according to claim 1, characterized in that: The outer side of the shaft sleeve (1.1) close to one end of the screw sleeve (1.2) is a conical structure.

5. The reel split type positioning guide pin according to claim 1, characterized in that: The pin sleeve structure (1) is installed between the external main shaft (3) and the sector block (4); a tapered groove is provided on the side of the main shaft (3); and a positioning thread groove is provided on one side of the tapered groove.

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