Quick assembly snap ring for high-speed pickling and rolling line roller

Abstract

The utility model belongs to the technical field of connecting clamps, and discloses a quick assembly clamping ring for a high-speed pickling and rolling line roller, which comprises a first clamping ring arm and a second clamping ring arm, the first clamping ring arm and the second clamping ring arm are hinged at one end, and the hinged end of the first clamping ring arm and the hinged end of the second clamping ring arm are respectively provided with a clamping part and a mounting box. According to the snap ring structure, one end of the snap ring arm I and the other end of the snap ring arm II are hinged, and the other ends of the snap ring arm I and the snap ring arm II can be connected through a buckle, so that the defects that an existing snap ring assembly process is tedious and time-consuming, the assembly quality is difficult to control, the maintenance cost is high and the like are overcome; the problems that an existing roller bearing seat locking clamping ring is prone to loosening and falling, the assembling efficiency is improved, and the assembling quality standard is unified can be effectively solved. The spring is used for fixing the pin shaft for axial locking, so that the safety coefficient is increased, the snap ring is prevented from falling off, the structure is simple, the manufacturing cost is low, maintenance is easy, and the working efficiency of snap ring assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting hoop technical field, concretely relates to a kind of high-speed pickling line roll quick assembly snap ring. BACKGROUND

[0002] Roller is large key tool in rolling system, snap ring is one of main components for ensuring that the bearing seat of the both ends of roll is positioned and normally operated, bearing seat is fixed in roll neck part using snap ring locking, and it rotates with bearing inner ring, and the high-speed production of rolling mill is limited by production plan and different varieties at present stage, leading to the increase of roll replacement frequency;

[0003] Through analysis, the old fastening bolt type snap ring is prone to bolt drop, fracture and other abnormalities due to vibration of rolling mill because of different standards of assembly personnel and fatigue aging, etc., causing abnormal economic loss such as roll replacement abnormality caused by bearing seat outflow and rolling mill belt breakage, and the conclusion is that the reason of causing snap ring drop is mostly that assembly quality cannot meet production demand and bolt fatigue aging and fracture;

[0004] And production gap time is more and more nervous, the existing hoop and open loop cannot adapt to such rhythm of production, and the assembly efficiency and firmness of snap ring are particularly important in rolling production process. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of high-speed pickling line roll quick assembly snap ring, to solve the above-mentioned technical problems existing in prior art.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of high-speed pickling line roll quick assembly snap ring, including snap ring arm one and snap ring arm two, the snap ring arm one and the snap ring arm two are hinged to one end, the snap ring arm one and the snap ring arm two are respectively provided with clamping portion and installation box at the hinged one end, the upper portion of the front end of clamping portion is provided with clamping plate, the clamping plate is clamped with clamping hole near the middle part, the top central of installation box is provided with guide hole, the fixed pin is slidably connected in the guide hole, the upper portion of the fixed pin passes out from the guide hole and is in the outside of the installation box, and the lower portion is in the inside of the installation box, the bottom of the fixed pin is provided with spring, the bottom of the spring is in contact with the bottom of the inner wall of the installation box, the opening end of the installation box is provided with gland, and the fixed pin is clamped in the clamping hole.

[0008] In a preferred embodiment of the utility model, the section of the fixed pin is circular, the front end of the top of fixed pin is provided with a guide slope, the section shape of the guide hole is matched with the section shape of the fixed pin, and the front end bottom of the clamping plate is inclined to the rear end.

[0009] In a preferred embodiment of the utility model, the bottom of the fixed pin is provided with a butt joint column, and the spring is clamped and fixed with the butt joint column.

[0010] In a preferred embodiment of the utility model, the middle part of the front end of the clasp arm one is provided with a positioning hole, the front end of the mounting box is provided with a positioning column corresponding to the positioning hole, the positioning column is inserted into the positioning hole, and the clasp arm one and the mounting box are close.

[0011] In a preferred embodiment of the utility model, the four corner positions of the gland are provided with positioning screws, the four corners of the open end of the mounting box are provided with threaded holes, and the positioning screws are screw-connected into the corresponding threaded holes.

[0012] In a preferred embodiment of the utility model, the middle part of one side of the gland is provided with a limiting arc groove, and the inner wall of the mounting box is circular on one side and forms a cylindrical space containing the spring together with the limiting arc groove.

[0013] The utility model has the advantages of:

[0014] The utility model discloses a clasp ring structure that one end is hinged and the other end can be connected through the clasp arm one and the clasp arm two, which aims at overcoming the defects of the prior art, such as complicated and time-consuming assembly process, difficult quality control and high maintenance cost, effectively solving the problems of easy loosening and falling of the locking clasp ring of the roller bearing seat, improving the assembly efficiency and the unified assembly quality standard, and the like. ACCURACY OF DRAWINGS

[0015] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is the three-dimensional explosion structure schematic diagram of the utility model;

[0017] Fig. 3 It is the local full section plane structure schematic diagram of the utility model.

[0018] Reference numerals in the attached drawings; wherein: 1. Clamping arm one; 101. Clamping part; 102. Clamping plate; 103. Clamping hole; 104. Positioning hole; 2. Clamping arm two; 201. Positioning post; 202. Mounting box; 203. Guide hole; 204. Threaded hole; 3. Fixing pin; 301. Guide slope; 302. Connecting post; 4. Pressure cap; 401. Limiting arc groove; 5. Spring; 6. Positioning screw. Detailed Implementation

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model. Example

[0020] like Figs. 1-3 As shown, this embodiment provides a quick assembly retaining ring for high-speed pickling line rolls, including a retaining ring arm 1 and a retaining ring arm 2. The retaining ring arm 1 and the retaining ring arm 2 are hinged at one end. The hinged end of the retaining ring arm 1 and the retaining ring arm 2 are respectively provided with a retaining part 101 and a mounting box 202. A retaining plate 102 is provided at the upper part of the front end of the retaining part 101. A retaining hole 103 is provided near the middle of the retaining plate 102. A guide hole 203 is provided at the center of the top of the mounting box 202. A fixing pin 3 is slidably connected inside the guide hole 203. The upper part of the fixing pin 3 protrudes from the guide hole 203 and is outside the mounting box 202. The lower part is inside the mounting box 202. A spring 5 is provided at the bottom of the fixing pin 3. The bottom of the spring 5 abuts against the bottom of the inner wall of the mounting box 202. A pressure cap 4 is provided at the open end of the mounting box 202. The fixing pin 3 is engaged inside the retaining hole 103.

[0021] In a preferred embodiment of the present invention, the fixed pin 3 has a circular cross-section, the front end of the top of the fixed pin 3 is set as a guide slope 301, the cross-sectional shape of the guide hole 203 matches the cross-sectional shape of the fixed pin 3, and the bottom of the front end of the snap-fit ​​plate 102 is inclined towards the rear end.

[0022] In a preferred embodiment of this utility model, a docking post 302 is further provided at the bottom of the fixing pin 3, and the spring 5 is engaged and fixed with the docking post 302.

[0023] In a preferred embodiment of the present invention, a positioning hole 104 is further provided in the middle of the front end of the retaining arm 1, and a positioning post 201 is provided at the front end of the mounting box 202 corresponding to the positioning hole 104. The positioning post 201 is inserted into the positioning hole 104, and the retaining arm 1 and the mounting box 202 are in close contact.

[0024] In a preferred embodiment of this utility model, positioning screws 6 are provided at the four corners of the pressure cover 4, and threaded holes 204 are provided at the four corners of the opening end of the mounting box 202. The positioning screws 6 are threaded into the corresponding threaded holes 204.

[0025] In a preferred embodiment of the present invention, a limiting arc groove 401 is further provided in the middle of one side of the pressure cover 4, and one side of the inner wall of the mounting box 202 is arc-shaped, forming a cylindrical space with the limiting arc groove 401 to accommodate the spring 5.

[0026] Specifically, as shown in the figure, this assembly retaining ring includes a retaining ring arm 1 and a retaining ring arm 2 hinged at one end. A mounting box 202 is provided at the front end of the retaining ring arm 22, and a spring 5 supports the extension and retraction of the fixing pin 3. An installation space is provided for easy disassembly and replacement of the fixing pin 3 and the spring 5. Simultaneously, a positioning screw 6 fixes the pressure cap 4 to the open end of the mounting box 202. A limiting arc groove 401 is provided on the pressure cap 4 to cooperate with the semi-circular inner wall of the mounting box 202 to restrict the lateral bending of the spring 5, thereby affecting the extension and retraction of the fixing pin 3. Furthermore, the retaining ring arm 1 and the mounting box 202... Positioning holes 104 and positioning posts 201 are respectively matched and set on the upper part, so that while the snap-fit ​​plate 102 is snapped with the fixing pin 3, the positioning post 201 is inserted with the insertion hole, thereby effectively improving the snap-fit ​​accuracy and structural strength of this assembly snap ring. The two semi-circular snap rings (snap ring arm 1 and snap ring arm 2) collide and snap together. The guide slope 301 of the fixing pin 3 and the inclined chamfer of the front end of the snap-fit ​​plate 102 can easily achieve the snap-fit ​​installation effect. This assembly snap ring uses a simple structure to ensure assembly quality and reduce maintenance costs. It can be widely used in the locking assembly of roll bearing seats.

[0027] Based on observations of actual production use, the optimization effect of this assembly retainer is very obvious:

[0028] ① The assembly operation is simple and efficient, effectively improving the efficiency of roll assembly and disassembly.

[0029] ② Effectively avoids quality abnormalities caused by frequent and repetitive assembly operations.

[0030] ③ It is easy to maintain and repair, avoiding additional repair costs due to quality abnormalities.

Claims

1. A quick-assembly retaining ring for high-speed pickling line rolls, comprising a retaining ring arm one (1) and a retaining ring arm two (2), wherein the retaining ring arm one (1) and the retaining ring arm two (2) are hinged at one end, characterized in that, The first snap ring arm (1) and the second snap ring arm (2) are respectively provided with a snap-fit ​​part (101) and a mounting box (202) at one end of the hinge. A snap-fit ​​plate (102) is provided at the upper part of the front end of the snap-fit ​​part (101). A snap-fit ​​hole (103) is provided near the middle of the snap-fit ​​plate (102). A guide hole (203) is provided at the center of the top of the mounting box (202). A fixing pin (3) is slidably connected inside the guide hole (203). The upper part of the fixing pin (3) passes through the guide hole (203) and is outside the mounting box (202). The lower part is inside the mounting box (202). A spring (5) is provided at the bottom of the fixing pin (3). The bottom of the spring (5) abuts against the bottom of the inner wall of the mounting box (202). A pressure cap (4) is provided at the opening end of the mounting box (202). The fixing pin (3) is snapped into the snap-fit ​​hole (103).

2. The quick-assembly retaining ring for high-speed pickling line rolls according to claim 1, characterized in that, The fixed pin (3) has a circular cross-section, and the front end of the top of the fixed pin (3) is set as a guide slope (301). The cross-sectional shape of the guide hole (203) matches the cross-sectional shape of the fixed pin (3). The bottom of the front end of the snap-fit ​​plate (102) is inclined towards the rear end.

3. The quick-assembly retaining ring for high-speed pickling line rolls according to claim 2, characterized in that, The bottom of the fixing pin (3) is provided with a docking post (302), and the spring (5) is engaged and fixed with the docking post (302).

4. The quick-assembly retaining ring for high-speed pickling line rolls according to claim 1, characterized in that, The first retaining ring arm (1) has a positioning hole (104) in the middle of its front end. The front end of the mounting box (202) is provided with a positioning post (201) corresponding to the positioning hole (104). The positioning post (201) is inserted into the positioning hole (104). The first retaining ring arm (1) and the mounting box (202) are in close contact.

5. A quick-assembly retaining ring for high-speed pickling line rolls according to claim 1, characterized in that, The pressure cap (4) is provided with positioning screws (6) at the four corners, and the mounting box (202) is provided with threaded holes (204) at the four corners of the opening end. The positioning screws (6) are threaded into the corresponding threaded holes (204).

6. A quick-assembly retaining ring for high-speed pickling line rolls according to claim 5, characterized in that, The pressure cap (4) has a limiting arc groove (401) in the middle of one side. The inner wall of the mounting box (202) is arc-shaped on one side, and together with the limiting arc groove (401), they form a cylindrical space to accommodate the spring (5).

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