CN219529698U

CN219529698U - Device for relieving impact force of double-core rod positioning block

Info

Publication number: CN219529698U
Application number: CN202320359311.1U
Authority: CN
Inventors: 滕厚彬; 项志军; 苏玉伟; 王琪
Original assignee: Tianjin Iron and Steel Group Co Ltd
Current assignee: Tianjin Iron and Steel Group Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-15
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a device for relieving impact force of a double-core rod positioning block, which belongs to the technical field of high-speed wire production and comprises a positioning block arranged on a rotating base and two mounting plates fixed on a core rod base, wherein each mounting plate is provided with a positioning rod, an impact block is arranged on the positioning rod facing the positioning block, one end of the positioning rod far away from the positioning block penetrates through the mounting plate and is provided with a threaded section, and a limit nut is arranged on the threaded section; the positioning rod between the mounting plate and the impact block is provided with a buffer spring, the positioning rod close to the mounting plate side is provided with an adjusting component for adjusting the elastic force of the buffer spring, and the adjusting component comprises at least one adjusting gasket. The utility model can buffer the impact force of the rotation of the core rod, reduce the stress intensity of the positioning block, ensure the core rod to rotate to the zero position, avoid the phenomenon of excessive rotation of the core rod and reduce the load of the motor.

Description

Device for relieving impact force of double-core rod positioning block

Technical Field

The utility model belongs to the technical field of high-speed wire production, and particularly relates to a device for relieving impact force of a double-core rod positioning block.

Background

The double core rod is an important device for collecting wires, and is mainly used for collecting the wires and adjusting the direction so as to ensure that the wires are transported normally. Whether the double core rods normally operate or not relates to whether the production of the high-speed line is normally performed or not. The double-core rod assembly mainly comprises a core rod base, a rotating seat and a driving system, wherein a positioning block is fixedly arranged on the outer circumference of the rotating seat, a positioning rod is arranged on the core rod base corresponding to the positioning block, the driving system drives the rotating seat to do 180-degree reciprocating rotation, the positioning rod limits rotation and positioning through the positioning block to a rotating seat, and after the driving system stops driving, the positioning block is blocked by the positioning rod, so that the purpose of limiting the double-core rod rotating seat to continue rotating is achieved. In the rotation of the core rod, the rotation impact force is large, and the situation that the positioning block falls off frequently occurs, so that the core rod cannot find a zero position under an electric control system, the production progress is seriously influenced, a large amount of unplanned time is caused by welding the positioning block, and the yield is influenced.

In the prior art, CN203265302U discloses a collection is rolled up two core stick rotary positioning device under collection rolling station, reaches the effect of buffering the locating piece, but above-mentioned scheme has following defect: 1. the buffer spring is arranged on the mounting plate, and the buffer spring is easy to generate position deviation in the contact process with the positioning block, so that the buffer effect cannot be effectively achieved; 2. the buffer spring is easy to deform after long-time impact, the impact force of the buffer positioning block cannot be effectively ensured, the phenomenon of excessive rotation of the core rod is easy to occur, and the load of the motor is further increased.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a device for relieving the impact force of a double-core rod positioning block, which can buffer the impact force of core rod rotation, reduce the stress intensity of the positioning block, ensure that the core rod rotates to a zero position, avoid the phenomenon of excessive core rod rotation and reduce the load of a motor.

The utility model is realized in such a way, the device for relieving the impact force of the double-core rod positioning block comprises a positioning block arranged on a rotating base and two mounting plates fixed on a core rod base, wherein each mounting plate is provided with a positioning rod, an impact block is arranged on the positioning rod facing the positioning block, one end of the positioning rod far away from the positioning block penetrates through the mounting plate and is provided with a threaded section, and the threaded section is provided with a limit nut; the positioning rod between the mounting plate and the impact block is provided with a buffer spring, the positioning rod close to the mounting plate side is provided with an adjusting component for adjusting the elastic force of the buffer spring, and the adjusting component comprises at least one adjusting gasket.

Further, a positioning hole sleeved on the positioning rod is formed in the center of the adjusting gasket, and an installation opening communicated with the positioning hole is formed in the adjusting gasket. The buffer spring elastic force can be adjusted by adding or reducing the adjusting gaskets conveniently according to the service condition of the buffer spring, and the adjusting gaskets can be overlapped and adjusted without disassembling the whole structure.

Further, a limiting part is arranged on the adjusting gasket and located on one side of the center line where the mounting opening is located, a limiting groove is formed in the limiting part, a limiting rod is arranged on the end face of the mounting plate opposite to one side of the positioning block, and the limiting part of the adjusting gasket is arranged in the limiting rod through the limiting groove. Through spacing portion and the gag lever post that sets up, can avoid adjusting the gasket and drop after receiving the impact, guarantee the reliability of structure.

Furthermore, the diameter of the opening of the installation opening along the radial direction of the adjusting gasket increases progressively, so that the adjusting gasket can be prevented from falling off from the positioning rod, the diameter of the opening of the outer edge of the installation opening is equal to the diameter of the positioning hole, and the adjusting gasket is convenient to insert into the positioning rod.

Further, the cross-sectional diameter of the impact block is larger than the cross-sectional diameter of the positioning rod. The contact area of the impact block at the stressed end of the positioning rod and the positioning block is larger, and the effective buffering effect on the positioning block is ensured.

The utility model has the advantages and technical effects that: by adopting the technical scheme, the impact force of the rotation of the core rod can be buffered, the stress intensity of the positioning block is reduced, the core rod is ensured to rotate to a zero position, the phenomenon of excessive rotation of the core rod is avoided, and the load of a motor is reduced. The impact block can be effectively connected with the positioning block; the buffer spring arranged on the positioning block can play a role in buffering the positioning block, so that the impact stress intensity of the positioning block is reduced; the thread section and the limit nut can play a limiting role on the positioning rod, so that the positioning rod is prevented from falling off from the mounting plate after rebound; the elasticity of buffer spring can be adjusted to the adjusting pad that sets up, avoids after the long-time impact because of the spring deformation leads to unable buffering to the locating piece, guarantees the reliability of buffering effect, increase of service life.

Drawings

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of a positioning rod according to an embodiment of the present utility model;

fig. 3 is a schematic view of an adjusting pad connection structure according to an embodiment of the present utility model.

In the figure: 1. a rotating base; 2. a positioning block; 3. a core rod base; 4. a mounting plate; 41. a limit rod; 5. a positioning rod; 51. an impact block; 52. a threaded section; 6. a limit nut; 7. a buffer spring; 8. adjusting the gasket; 81. positioning holes; 82. a mounting opening; 83. a limit part; 84. and a limit groove.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, the present utility model provides a device for relieving impact force of a dual-core rod positioning block, which comprises a positioning block 2 arranged on a rotating base 1 and two mounting plates 4 fixed on a core rod base 3, wherein each mounting plate 4 is provided with a positioning rod 5, the positioning rod 5 facing the positioning block 2 is provided with an impact block 51, and specifically, the cross section diameter of the impact block 51 is larger than the cross section diameter of the positioning rod 5. The contact area of the impact block 51 at the stressed end of the positioning rod 5 and the positioning block 2 is larger, and the effective buffering effect on the positioning block 2 is ensured. One end of the positioning rod 5 far away from the positioning block 2 penetrates through the mounting plate 4 and is provided with a threaded section 52, and the threaded section 52 is provided with a limit nut 6; the positioning rod 5 between the mounting plate 4 and the impact block 51 is provided with a buffer spring 7, the positioning rod 5 near the side of the mounting plate 4 is provided with an adjusting component for adjusting the elasticity of the buffer spring 7, and the adjusting component comprises at least one adjusting gasket 8.

The center position of the adjusting gasket 8 is provided with a positioning hole 81 which is sleeved on the positioning rod 5, and the adjusting gasket 8 is provided with a mounting opening 82 communicated with the positioning hole 81. The adjusting gasket 8 can be conveniently increased or reduced according to the service condition of the buffer spring 7, and the elastic force of the buffer spring 7 can be adjusted by superposing the adjusting gasket 8 without disassembling the whole structure. The adjusting gasket 8 positioned on one side of the center line of the mounting opening 82 is provided with a limiting part 83, the limiting part 83 is provided with a limiting groove 84, the end face of the mounting plate 4 opposite to one side of the positioning block 2 is provided with a limiting rod 41, and the limiting part 83 of the adjusting gasket 8 is arranged in the limiting rod 41 through the limiting groove 84. Through the spacing portion 83 and the spacing rod 41 that set up, can avoid adjusting gasket 8 to drop after receiving the impact, guarantee the reliability of structure. The diameter of the mounting opening 82 increases gradually along the radial direction of the adjusting gasket 8, so that the adjusting gasket 8 can be prevented from falling off from the positioning rod 5, the diameter of the outer edge opening of the mounting opening 82 is equal to the diameter of the positioning hole 81, and the adjusting gasket 8 is convenient to insert into the positioning rod 5.

When the shock absorber is used, the positioning block 2 impacts the impact block 51, so that the positioning rod 5 moves along the mounting plate 4 in a direction away from the positioning block 2, and compresses the buffer spring 7 to slow down the impact force of the positioning block 2; under the action of the buffer spring 7, the positioning rod 5 is reset and the positioning rod 5 is prevented from falling off from the mounting plate 4 under the action of the limit nut 6. After the buffer spring 7 is deformed after long-time impact, the quantity of the adjusting gaskets 8 is increased, the buffer spring 7 is guaranteed to play an effective buffer role, specifically, the adjusting gaskets 8 are inserted into the positioning rod 5 through the mounting opening 82 and sleeved on the positioning rod 5 through the positioning holes 81, and the limiting grooves 84 of the limiting parts 83 are inserted into the limiting rods 41, so that the adjusting gaskets 8 can resist torsion generated by impact and avoid falling.

By adopting the technical scheme, the impact force of the rotation of the core rod can be buffered, the stress intensity of the positioning block 2 is reduced, the core rod is ensured to rotate to a zero position, the phenomenon of excessive rotation of the core rod is avoided, and the load of a motor is reduced. The impact block 51 can effectively be connected with the positioning block 2; the buffer spring 7 arranged on the positioning block 2 can play a role in buffering the positioning block 2, so that the impact stress intensity of the positioning block 2 is reduced; the thread section 52 and the limit nut 6 can limit the locating rod 5, so that the locating rod 5 is prevented from falling off from the mounting plate 4 after rebound; the elasticity of buffer spring 7 can be adjusted to the adjusting pad 8 that sets up, avoids after the long-time impact because of the spring deformation can't cushion locating piece 2, guarantees the reliability of buffering effect, increase of service life.

For the technical scheme, the number of times of falling off of the positioning block 2 is reduced by 3 times on average in a field test through the input use of the equipment, the number of times of falling off of the positioning block 2 tends to be 0, the unscheduled parking time of 150 minutes is reduced in each month, and the yield is increased by 92 tons in each month.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The device for relieving the impact force of the double-core rod positioning block comprises a positioning block (2) arranged on a rotating base (1) and two mounting plates (4) fixed on a core rod base (3), wherein each mounting plate (4) is provided with a positioning rod (5), and the device is characterized in that an impact block (51) is arranged on the positioning rod (5) facing the positioning block (2), one end of the positioning rod (5) far away from the positioning block (2) penetrates through the mounting plate (4) and is provided with a threaded section (52), and a limit nut (6) is arranged on the threaded section (52);

the positioning rod (5) between the mounting plate (4) and the impact block (51) is provided with a buffer spring (7), the positioning rod (5) close to the side of the mounting plate (4) is provided with an adjusting component for adjusting the elasticity of the buffer spring (7), and the adjusting component comprises at least one adjusting gasket (8).

2. The device for relieving the impact force of the double-core rod positioning block according to claim 1, wherein a positioning hole (81) for being sleeved on the positioning rod (5) is arranged at the center of the adjusting gasket (8), and a mounting opening (82) communicated with the positioning hole (81) is arranged on the adjusting gasket (8).

3. The device for relieving impact force on the dual-core rod positioning block according to claim 2, wherein a limiting part (83) is arranged on the adjusting gasket (8) positioned on one side of a center line where the mounting opening (82) is positioned, a limiting groove (84) is formed in the limiting part (83), a limiting rod (41) is arranged on the end face of the mounting plate (4) opposite to one side of the positioning block (2), and the limiting part (83) of the adjusting gasket (8) is arranged in the limiting rod (41) through the limiting groove (84).

4. Device for reducing the impact force on a dual mandrel positioning block according to claim 2, characterized in that the diameter of the mounting opening (82) increases progressively in the radial direction of the adjusting shim (8), the diameter of the outer opening of the mounting opening (82) being equal to the diameter of the positioning hole (81).

5. Device for attenuating the impact force of a double mandrel positioning block according to claim 1, characterized in that the cross-sectional diameter of the impact block (51) is greater than the cross-sectional diameter of the positioning rod (5).