Fan-shaped block outer circle machining device

Abstract

The utility model discloses a fan-shaped block outer circle machining device which comprises closing plates arranged at the two ends, a center hole is formed in each closing plate, a plurality of threaded holes are formed in one side of each closing plate, a plurality of positioning spigots are formed in the middle of one side of each closing plate, and the closing plate at one end is in threaded connection with one ends of a plurality of ejector rods through the threaded holes. A process mandrel is connected between the closing plates at the two ends through positioning spigots, a plurality of threaded holes are formed in the outer side of the process mandrel, a fan-shaped block is installed outside the process mandrel and provided with a plurality of modified screws, one end of each modified screw is connected with the fan-shaped block, the other end of each modified screw is connected with the threaded hole formed in the outer circle of the process mandrel, and the fan-shaped block is fixed in the radial direction. According to the device, the part structure is simple, the machining precision is improved, all parts in the winding drum do not need to participate in combined machining, the situation that machining progress of other parts restricts machining of the fan-shaped block is avoided, all the parts do not need to be repeatedly disassembled and assembled, efficiency is improved, the production period is shortened, the process mandrel part can be repeatedly used, and cost is reduced. And the production and manufacturing cost is effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold and hot rolled strip steel coiling, in particular to a sector block outer circle processing device. Background Art

[0002] The coiler drum is a key piece of equipment on cold and hot rolling production lines, used to coil the strip steel delivered from the finishing mill into coils for easy transportation. The sector block is a crucial component on the drum, processed after forging or casting, resulting in high material costs and a long production cycle. Traditionally, the outer diameter of the sector block is processed at the final stage of the manufacturing process. After all other parts are completed, the sector block is assembled into a whole. Special tooling is used to secure the sector block to the desired position before processing its outer diameter to ensure its size and positional accuracy after assembly, meeting the drawing requirements. Existing processing methods have the following main issues:

[0003] 1. It needs to wait until all the relevant parts of the roll are processed and ready for assembly, which seriously restricts the production progress of the entire roll.

[0004] 2. It is necessary to make a fake shaft to replace the core shaft.

[0005] 3. The assembly and disassembly work before and after processing is cumbersome, and special tooling is required to eliminate gaps to meet the conditions of turning and grinding. Utility Model Content

[0006] In view of the above technical problems in the related art, the utility model provides a sector block outer circle processing device, which can solve the above problems.

[0007] In order to achieve the above technical purpose, the technical solution of the utility model is implemented as follows:

[0008] A fan-shaped block outer circle processing device, characterized in that: it includes a dull plate arranged at both ends, a center hole is opened in the center of the dull plate, a plurality of threaded holes are opened on one side of the dull plate, a plurality of positioning stops are opened in the middle of one side of the dull plate, the dull plate at one end is threadedly connected to one end of a plurality of push rods through the threaded hole, the dull plates at both ends are connected to the process core shaft through the positioning stops, a plurality of threaded holes are provided on the outside of the process core shaft, a fan-shaped block is installed outside the process core shaft, the fan-shaped block is provided with a plurality of modified screws, one end of the modified screw is connected to the fan-shaped block, and the other end is connected to the threaded hole opened on the outer circle of the process core shaft to radially fix the fan-shaped block.

[0009] Furthermore, the other end of the push rod contacts the sector block.

[0010] Furthermore, the process core shaft is formed by welding a round steel tube and an end plate, a plurality of positioning grooves are provided on the outer circle of the round steel tube, each positioning groove is installed with a support block, a positioning stop is provided on the inner side of the end plate to cooperate with the positioning stop of the dead plate, and a plurality of threaded holes are provided on the outer circle of the end plate to connect with the modified screws.

[0011] Furthermore, a distance sleeve is provided between the blocking plate at the other end and the sector block, one end of the distance sleeve contacts the sector block, and the other end of the distance sleeve contacts the blocking plate.

[0012] Furthermore, one end of the support block is connected to the outer circle of the process core shaft through the positioning slot screw, and the other end of the support block contacts the inner cavity of the sector block.

[0013] The beneficial effects of the present invention are as follows: the device has simple structural features and improves processing accuracy. It does not require the internal components of the drum to be involved in the combined processing, thus avoiding the processing progress of other components that restricts the processing of the sector blocks. It does not require repeated disassembly and assembly of components, thereby improving efficiency and shortening the production cycle. The process mandrel can be reused, eliminating the need to produce a dummy process shaft, effectively saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] The utility model is described in further detail below with reference to the accompanying drawings.

[0016] Figure 1 This is a cross-sectional view of a sector block outer circle processing device according to an embodiment of the present utility model;

[0017] Figure 2 This is an AA view of a sector block outer circle processing device according to an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of a blocking plate of a sector block outer circle processing device according to an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of a push rod of a sector block outer circle processing device according to an embodiment of the present utility model;

[0020] Figure 5 This is a three-dimensional structural diagram of a sector block of a sector block outer circle processing device according to an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of a process mandrel of a sector block outer circle processing device according to an embodiment of the present utility model;

[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of a modified screw of a sector block outer circle processing device according to an embodiment of the present utility model;

[0023] Figure 8 This is a schematic diagram of the three-dimensional structure of a distance sleeve of a sector block outer circle processing device according to an embodiment of the present utility model;

[0024] Figure 9 This is a schematic diagram of the three-dimensional structure of a support block of a sector block outer circle processing device according to an embodiment of the present utility model;

[0025] In the picture:

[0026] 1. Stifling plate; 2. Push rod; 3. Modified screw; 4. Fan-shaped block; 5. Process mandrel; 6. Distance sleeve; 7. Support block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0028] like Figure 1-9 As shown, according to the utility model, a sector block outer circle processing device is disclosed, including a dull plate 1 arranged at both ends, a center hole is opened in the center of the dull plate 1, a plurality of threaded holes are opened on one side of the dull plate 1, a plurality of positioning stoppers are opened in the middle of one side of the dull plate 1, the dull plate 1 at one end is threadedly connected to one end of a plurality of push rods 2 through the threaded hole, and a process core shaft 5 is connected between the dull plates 1 at both ends through the positioning stoppers, a plurality of threaded holes are provided on the outside of the process core shaft 5, a sector block 4 is installed on the outside of the process core shaft 5, and a plurality of modified screws 3 are provided on the sector block 4, one end of the modified screw 3 is connected to the sector block 4, and the other end is connected to the threaded hole opened on the outer circle of the process core shaft 5, so as to radially fix the sector block 4;

[0029] In one embodiment of the present invention, a high-precision positioning stop is provided on one side of the blocking plate 1 to cooperate with the stop at one end of the process core shaft 5 and is pre-tightened by bolts; a center hole is provided on one side for double-top clamping during turning and grinding; evenly distributed threaded holes are provided around the periphery to install and fix the push rod 2, and the push rod 2 is connected and fixed to the blocking plate 1 by threads, and one end presses against the end face of the sector block for axial fixation of the sector block 4.

[0030] In one embodiment of the present invention, one end of the modified screw 3 is connected to the sector block 4, and the other end is connected to the threaded hole provided on the outer circle of the process core shaft 5 to radially fix the sector block 4. The sector block 4 is the main component of the cold and hot rolled coil. Except for the outer circle size, a processing allowance is left, and the other sizes have been processed according to the drawing.

[0031] In one embodiment of the present invention, the process core shaft 5 is formed by welding a round steel tube and an end plate, and a plurality of positioning grooves are provided on the outer circle of the steel tube for installing the support block 7; a high-precision positioning stop is provided on the inner side of the end plate to cooperate with the positioning stop of the blocking plate 1; a plurality of threaded holes are provided on the outer circle to be connected with the modified screw 3, and the distance sleeve 6 is a plurality of equal-length round steel tubes, which are installed on the outer side of the push rod 2, one end of which contacts the side of the blocking plate 1, and the other end contacts the end face of the sector block 4 to ensure that the axial position of the sector block 4 is consistent.

[0032] The support block 7 is designed according to the inner size of the sector block 4 and has various structural forms. One end of the support block is installed in the positioning groove set by the outer circle of the process core shaft 5 and connected by screws, and the other end contacts the inner cavity of the sector block to locate the radial position of the sector block.

[0033] The described device for processing the outer circle of a sector block has central holes on both sides of the plate 1 which cooperate with the centers on both sides of the lathe and grinder. The entire device can rotate at high speed along the axis of the central hole so as to turn and grind the outer circle of the sector block to the size and accuracy required by the drawing.

[0034] The device disclosed herein is used for combined processing of the outer diameter of a sector block. Its component structure is simple and improves processing accuracy. It eliminates the need for components within the drum to participate in the combined processing, thus preventing the processing progress of other components from restricting the processing of the sector block. It eliminates the need for repeated disassembly and assembly of components, improving efficiency and shortening the production cycle. The process mandrel can be reused, eliminating the need for a dummy process shaft, effectively saving production costs.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sector block outer circle processing device, characterized in that: The invention comprises a stifling plate (1) provided at both ends, wherein a center hole is provided at the center of the stifling plate (1), a plurality of threaded holes are provided on one side of the stifling plate (1), a plurality of positioning stoppers are provided in the middle of one side of the stifling plate (1), the stifling plate (1) at one end is threadedly connected to one end of a plurality of push rods (2) through the threaded hole, and the stifling plates (1) at both ends are connected to a process core shaft (5) through the positioning stoppers, a plurality of threaded holes are provided on the outside of the process core shaft (5), a sector block (4) is installed outside the process core shaft (5), and a plurality of modified screws (3) are provided on the sector block (4), one end of the modified screw (3) is connected to the sector block (4), and the other end is connected to the threaded hole provided on the outer circle of the process core shaft (5), so as to radially fix the sector block (4).

2. A sector block outer circle processing device according to claim 1, characterized in that: The other end of the push rod (2) contacts the sector block (4).

3. The device for processing the outer circle of a sector block according to claim 1, characterized in that: The process core shaft (5) is formed by welding a round steel tube and an end plate. The outer circle of the round steel tube is provided with a plurality of positioning grooves, each of which is installed with a support block (7). The inner side of the end plate is provided with a positioning stop to cooperate with the positioning stop of the dead plate (1). The outer circle of the end plate is provided with a plurality of threaded holes to connect with the modified screws (3).

4. The device for machining the outer circle of a sector block according to claim 1, characterized in that: A distance sleeve (6) is provided between the blocking plate (1) at the other end and the sector block (4), one end of the distance sleeve (6) contacts the sector block (4), and the other end of the distance sleeve (6) contacts the blocking plate (1).

5. The device for machining the outer circle of a sector block according to claim 3, characterized in that: One end of the support block (7) is connected to the outer circle of the process core shaft (5) through the positioning slot screw, and the other end of the support block (7) contacts the inner cavity of the sector block (4).

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