Centralizer hoop machining device

Abstract

The utility model relates to the technical field of centralizer manufacturing, and particularly discloses a centralizer hoop machining device. Comprising an edge rolling mechanism and a stamping mechanism. The edge rolling mechanism comprises edge rolling motors at the two ends and edge rolling dies arranged on the inner sides of the two ends, edge rolling limiting blocks are arranged at the four corners of a flat plate in the edge rolling mechanism correspondingly, and the steel plate is flatly placed on the flat plate in the edge rolling mechanism; the stamping mechanism comprises a base, a stamping lower die is arranged on the base, and stamping lower die limiting blocks are arranged on the periphery of the stamping lower die. A hydraulic device is arranged on the upper portion of the stamping mechanism, a stamping upper die is arranged on the lower portion of the hydraulic device, a hydraulic motor is arranged on the upper portion of the hydraulic device, hydraulic cylinders are arranged on the periphery of the lower portion of the hydraulic device, and the steel plate is placed between the stamping upper die and the stamping lower die. And forming of one product is completed. The device is simple in structure and convenient to operate, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing centralizers, in particular to a centralizer hoop processing device. Background Art

[0002] The casing centralizer is one of the important devices commonly used in the field of oil and gas drilling. Its function is to make the casing be located in the center of the wellbore, ensure that the downhole casing is centered, and improve the cementing quality.

[0003] Centralizers are cementing tools. There are many types of centralizers, which can be divided into roller type, slider type, automatic reversing type, etc. According to the structure, the manufacturing of the centralizer hoop requires several steps such as punching, bending, and coiling. In the prior art, the hoop processing process is complicated and the production efficiency is low.

[0004] Therefore, in order to improve the above situation, it is necessary to propose a centralizer hoop processing device to overcome the above technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a centralizer hoop processing device in view of the above-mentioned defects in the prior art, thereby solving the problems of complex hoop processing process and low production efficiency.

[0006] The utility model discloses a centralizer hoop processing device, and its technical scheme is: comprising a rolling mechanism and a punching mechanism; the rolling mechanism comprises a rolling motor at two ends and a rolling mold provided on the inner side of the two ends, and the rolling mold is connected to the lower part of the rolling motor through a spiral transmission component; rolling limit blocks are provided at four corners on the internal flat plate of the rolling mechanism, and a steel plate is placed flat on the internal flat plate of the rolling mechanism;

[0007] The stamping mechanism includes a base, a stamping lower die is provided in the middle of the upper end of the base, and a stamping lower die limit block is provided around the stamping lower die; a hydraulic device is provided at the upper part of the stamping mechanism, a hydraulic motor is provided in the middle of the upper end of the hydraulic device, a hydraulic cylinder is provided around the lower part of the hydraulic device, and a stamping upper die is provided in the middle of the lower end of the hydraulic device, and the steel plate is placed between the stamping upper die and the stamping lower die.

[0008] Preferably, a semi-circular arc groove is provided at the inner lower part of the rolling mold, and a straight edge section is provided at the upper outer edge of the semi-circular arc groove.

[0009] Preferably, the stamping lower die includes a lower die seat, and the stamping lower die is a semicircular cavity with a concave middle upper part; the semicircular arc surface of the semicircular cavity is provided with a first groove, a second groove, a third groove and a fourth groove at intervals, and the upper ends of both sides of the semicircular arc surface of the semicircular cavity are respectively provided with a first semicircular groove.

[0010] Preferably, the stamping upper die includes an upper die body, which is a semicircular arc body with a convex lower part, and the first protrusion, the second protrusion, the third protrusion and the fourth protrusion are spaced apart on the semicircular arc body. The upper ends of both sides of the semicircular arc body are respectively provided with second semicircular grooves, and the upper part of the upper die body is provided with a connecting device connected to the hydraulic device.

[0011] Preferably, the semicircular arc body of the stamping upper die is matched with the semicircular cavity of the stamping lower die, and the first groove, the second groove, the third groove and the fourth groove are matched with the first protrusion, the second protrusion, the third protrusion and the fourth protrusion respectively.

[0012] Preferably, the processed and formed centralizer hoop comprises a hoop body, which is a semicircular ring plate body, on which four convex rings are arranged, and a strip hole is arranged on one side of the convex ring close to the middle, and a first winding ring and a second winding ring are arranged at left and right ends of the hoop body, and the first winding ring and the second winding ring are respectively arranged at intervals.

[0013] The beneficial effects of the utility model are:

[0014] The cut steel plate is placed in the rolling mechanism, the steel plate is fixed around by the rolling limit block, the rolling dies on both sides are pushed to move toward the steel plate by the spiral transmission mechanism to perform the rolling operation, and the first rolling ring and the second rolling ring on both sides of the centralizer hoop are formed at one time, the rolled steel plate is taken out, and placed on the stamping lower die in the stamping mechanism, the rolling rings on both sides of the steel plate are placed in the first semicircular groove, and the stamping upper die stamps the steel plate downward to complete the stamping work of the hoop. The utility model has a simple structure, is easy to operate, and greatly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the rolling mechanism in the utility model;

[0016] Figure 2 It is a top view of the rolling mechanism in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the punching mechanism in the utility model;

[0018] Figure 4 It is a cross-sectional view of the punching mechanism in the utility model;

[0019] Figure 5 It is a three-dimensional diagram of the punching lower die in the utility model;

[0020] Figure 6 It is a three-dimensional diagram of the punching upper die in the utility model;

[0021] Figure 7 This is an expanded view of the steel plate before forming in the utility model;

[0022] Figure 8 It is a schematic diagram of the structure of the steel plate after forming in the utility model;

[0023] In the figure: 1, rolling die; 2, steel plate; 3, rolling limit block; 4, rolling mechanism; 5, stamping lower die; 6, stamping upper die; 7, hydraulic device; 8, base; 9, hoop; 11, semicircular arc groove; 12, straight edge section; 41, spiral transmission assembly; 42, rolling motor; 51, lower die seat; 52, first groove; 53, second groove; 54, first semicircular groove; 55, third groove; 56, fourth groove; 61, upper die body; 62, first protrusion; 63, circular cylinder; 64, second protrusion; 65, third protrusion; 66, fourth protrusion; 67, second semicircular groove; 68, connecting device; 71, hydraulic cylinder; 72, hydraulic motor; 81, stamping lower die limit block; 91, first rolling ring; 92, convex ring; 93, hoop body; 94, second rolling ring; 95, strip hole. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] Embodiment 1, as Figures 1 to 4 As shown, a centralizer hoop processing device includes a rolling mechanism 4 and a stamping mechanism;

[0026] The rolling mechanism 4 includes rolling motors 42 at both ends and rolling molds 1 provided on the inner sides of both ends, and the rolling mold 1 is connected to the lower part of the rolling motor 42 through a spiral transmission component 41; rolling limit blocks 3 are provided at the four corners of the internal flat plate of the rolling mechanism 4, and a steel plate 2 is placed flat on the internal flat plate of the rolling mechanism 4;

[0027] The stamping mechanism includes a base 8, a stamping lower die 5 is provided in the middle of the upper end of the base 8, and a stamping lower die limit block 81 is provided around the stamping lower die 5; a hydraulic device 7 is provided at the upper part of the stamping mechanism, a hydraulic motor 72 is provided in the middle of the upper end of the hydraulic device 7, a hydraulic cylinder 71 is provided around the lower part of the hydraulic device 7, and a stamping upper die 6 is provided in the middle of the lower end of the hydraulic device 7, and the steel plate 2 is placed between the stamping upper die 6 and the stamping lower die 5.

[0028] A semi-circular arc groove 11 is provided at the inner lower part of the rolling die 1 , and a straight edge section 12 is provided at the upper outer edge of the semi-circular arc groove 11 .

[0029] like Figure 5As shown, the stamping lower die 5 includes a lower die seat 51, and the stamping lower die 5 is a semicircular cavity with a concave middle portion; a first groove 52, a second groove 53, a third groove 55 and a fourth groove 56 are spaced apart on the semicircular arc surface of the semicircular cavity, and a first semicircular groove 54 is respectively provided on the upper ends of both sides of the semicircular arc surface of the semicircular cavity.

[0030] like Figure 6 As shown, the stamping upper die 6 includes an upper die body 61, and the stamping upper die 6 is a semi-circular arc body 63 with a convex lower part, and the first protrusion 62, the second protrusion 63, the third protrusion 65 and the fourth protrusion 66 are spaced apart on the semi-circular arc body 63, and the upper ends of both sides of the semi-circular arc body 63 are respectively provided with a second semi-circular groove 67, and the upper part of the upper die body 61 is provided with a connecting device 68 connected to the hydraulic device 7.

[0031] The semicircular body 63 of the stamping upper die 6 is matched with the semicircular cavity of the stamping lower die 5, and the first groove 52, the second groove 53, the third groove 55, and the fourth groove 56 are respectively matched with the first protrusion 62, the second protrusion 64, the third protrusion 65, and the fourth protrusion 66.

[0032] like Figure 7 As shown, the steel plate 2 is in an unfolded state before forming, and the steel plate 2 is cut by laser cutting.

[0033] like Figure 8 As shown, the centralizer hoop after processing and forming includes a hoop body 93, which is a semicircular ring plate body. Four convex rings 92 are provided on the hoop body 93, and a strip hole 95 is provided on the side of the convex ring 92 close to the middle. The left and right ends of the hoop body 93 are provided with a first winding ring 91 and a second winding ring 94, and the first winding ring 91 and the second winding ring 94 are respectively arranged at intervals.

[0034] When in use, the steel plate 2 after laser cutting first enters the rolling mechanism 4, and the steel plate 2 is fixed around by the rolling limit block 3. The rolling motors 42 on both sides are started at the same time, and the rolling molds 1 on both sides are pushed to move toward the steel plate 2 through the spiral transmission mechanism 41 to perform the rolling operation, so as to form the first rolling ring 91 and the second rolling ring 94 on both sides of the centralizer hoop at one time. The rolling limit block 3 is loosened to take out the rolled steel plate 2, and put it into the stamping lower die 5 in the stamping mechanism, and the steel plate 2 is placed in the lower die seat 51. The rolling rings on both sides of the steel plate 2 are placed in the first semicircular groove 54, and the stamping lower die 5 is position-limited in the lower die limit block 81. The stamping upper die 6 is connected to the hydraulic device 7 through the connecting device 68, and the hydraulic motor 72 is started to drive the four hydraulic cylinders 71 to shrink downward, and the stamping upper die 6 stamps the steel plate 2 downward to complete the stamping work of the hoop, so that the molding of a product can be completed, almost no waste, and the production cost of the enterprise is saved. The utility model has a simple structure, is easy to operate, and greatly improves the work efficiency.

[0035] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent transformation based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A centralizer hoop processing device, comprising a rolling mechanism (4) and a punching mechanism, characterized in that: The rolling mechanism (4) comprises rolling motors (42) at two ends and rolling moulds (1) provided on the inner sides of the two ends, wherein the rolling mould (1) is connected to the lower part of the rolling motor (42) via a spiral transmission component (41); rolling limit blocks (3) are provided at four corners of the internal flat plate of the rolling mechanism (4), and a steel plate (2) is placed flat on the internal flat plate of the rolling mechanism (4); The punching mechanism comprises a base (8), a punching lower die (5) is provided in the middle of the upper end of the base (8), and punching lower die limit blocks (81) are provided around the punching lower die (5); a hydraulic device (7) is provided at the upper part of the punching mechanism, a hydraulic motor (72) is provided at the middle of the upper end of the hydraulic device (7), hydraulic cylinders (71) are provided around the lower part of the hydraulic device (7), and a punching upper die (6) is provided at the middle of the lower end of the hydraulic device (7), and the steel plate (2) is placed between the punching upper die (6) and the punching lower die (5).

2. A centralizer hoop processing device according to claim 1, characterized in that: A semi-circular arc groove (11) is provided at the inner lower part of the rolling mould (1), and a straight edge section (12) is provided at the upper outer edge of the semi-circular arc groove (11).

3. A centralizer hoop processing device according to claim 1, characterized in that: The stamping lower die (5) comprises a lower die seat (51), and the stamping lower die (5) is a semicircular cavity with a concave middle portion at the upper portion; a first groove (52), a second groove (53), a third groove (55) and a fourth groove (56) are arranged at intervals on the semicircular arc surface of the semicircular cavity, and first semicircular grooves (54) are respectively arranged at the upper ends of both sides of the semicircular arc surface of the semicircular cavity.

4. A centralizer hoop processing device according to claim 3, characterized in that: The punching upper die (6) comprises an upper die body (61), the punching upper die (6) is a semicircular arc body (63) with a convex lower portion, a first convex block (62), a second convex block (64), a third convex block (65) and a fourth convex block (66) are arranged on the semicircular arc body (63) at intervals, and second semicircular grooves (67) are respectively arranged at the upper ends of both sides of the semicircular arc body (63), and a connecting device (68) connected to the hydraulic device (7) is provided on the upper portion of the upper die body (61).

5. A centralizer hoop processing device according to claim 4, characterized in that: The semicircular arc body (63) of the stamping upper die (6) is arranged in cooperation with the semicircular cavity of the stamping lower die (5), and the first groove (52), the second groove (53), the third groove (55), and the fourth groove (56) are arranged in cooperation with the first protrusion (62), the second protrusion (64), the third protrusion (65), and the fourth protrusion (66), respectively.

6. A centralizer hoop processing device according to claim 5, characterized in that: The centralizer hoop processed and formed by the centralizer hoop processing device comprises a hoop body (93), wherein the hoop body (93) is a semicircular ring plate body, and four convex rings (92) are provided on the hoop body (93), and a strip hole (95) is provided on one side of the convex ring (92) close to the middle, and a first winding ring (91) and a second winding ring (94) are provided at the left and right ends of the hoop body (93), and the first winding ring (91) and the second winding ring (94) are respectively arranged at intervals.

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