Grinding mechanism of cement mill for thixotropy of oil well cement

Abstract

The utility model discloses a grinding mechanism of a cement mill for thixotropy of oil well cement. A box body; the grinding block A is fixedly mounted in the box body; the grinding block B is rotationally mounted in the box body, and the upper end surface of the grinding block B is in contact with the lower end surface of the grinding block A; the feeding hole is formed in the grinding block A; the discharging hole is formed in the grinding block B; under the action of the grinding block A and the grinding block B, raw materials can be fully ground, cement can be used under special conditions, meanwhile, under the action of the conveying mechanism, the raw materials can be conveyed into the feeding hole, the grinding block A and the grinding block B can conveniently grind the raw materials, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of cement, in particular to a cement mill grinding mechanism for thixotropic oil well cement. Background Art

[0002] Cement: Powdered hydraulic inorganic cementitious material. After adding water and stirring, it becomes a slurry, which can harden in the air or in water, and can firmly cement materials such as sand and stone together. The early mixture of lime and volcanic ash is very similar to modern lime volcanic ash cement. It is used to cement concrete made of crushed stone. After hardening, it not only has high strength, but also can resist the erosion of fresh water or salt water. For a long time, it has been widely used as an important cementitious material in civil construction, water conservancy, national defense and other projects.

[0003] In the process of cement production, the raw materials need to be crushed and added in proportion to achieve the production of cement. However, in special circumstances, the use effect of cement is poor, which affects the use of cement. This is because the grinding of cement raw materials is not sufficient. In order to meet the use of cement in special circumstances, a device that is conducive to sufficient grinding of cement raw materials is now needed. Utility Model Content

[0004] In order to solve the above problems, that is, to solve the problems raised by the above background technology, the utility model proposes a cement mill grinding mechanism for oil well cement thixotropy, comprising:

[0005] Box;

[0006] A grinding block A is fixedly installed in the box;

[0007] A grinding block B is rotatably mounted in the box, and its upper end surface contacts the lower end surface of the grinding block A;

[0008] A feed hole is formed in the grinding block A;

[0009] A discharge hole is formed in the grinding block B;

[0010] A conical gear ring, provided on the lower end surface of the grinding block B;

[0011] A rotating shaft, rotatably mounted on the inner wall surface of the box body;

[0012] A bevel gear is fixedly mounted on one end of the rotating shaft and meshedly connected with the bevel gear ring;

[0013] The conveying mechanism is arranged in the box body and located above the grinding block A, and is used for conveying the raw materials into the feeding hole.

[0014] Preferably, the conveying mechanism comprises:

[0015] A conveying shell is fixedly installed in the box body, and an opening is formed on the upper wall;

[0016] An auger is rotatably installed in the conveying shell, and its two ends respectively penetrate the two side walls of the box body;

[0017] A discharge port is formed on the lower wall of the conveying shell;

[0018] A connecting pipe, one end of which is connected to the discharge port, and the other end of which is connected to the feed hole;

[0019] The material guide plates are symmetrically arranged in the box body, and the lower ends are respectively fixedly connected to the upper walls of the conveying shell.

[0020] Preferably, a connecting rod is provided between the pair of guide plates, and the two ends of the connecting rod are rotatably connected to the inner side wall surfaces of the box body respectively;

[0021] A material turning rod is fixedly mounted on the outer surface of the connecting rod;

[0022] The two ends of the auger are respectively fixedly mounted with first sprockets, the outer side of the box is provided with a second sprocket, and the second sprocket is fixedly connected to one end of the connecting rod;

[0023] The first sprocket and the second sprocket are connected to each other via a first chain;

[0024] A support seat is fixedly mounted on the outer wall surface of the box body, a motor is disposed on the upper end surface of the support seat, and an output end of the motor is fixedly connected to one end of the rotating shaft;

[0025] A third sprocket is fixedly mounted on the outer surface of the output end of the motor, and the third sprocket is connected to one of the first sprockets via a second chain.

[0026] Preferably, an annular groove is formed on the inner wall surface of the box body, and an annular sliding block slidably connected to the annular groove is fixedly mounted on the outer wall surface of the grinding block B.

[0027] Preferably, a collecting vehicle is provided on the inner lower end surface of the box body, and a collecting port is formed on the side wall of the box body and on one side of the collecting vehicle.

[0028] The beneficial technical effect of the utility model is that under the action of grinding block A and grinding block B, the raw materials can be fully ground so that the cement can meet the needs of use in special circumstances. At the same time, under the action of the conveying mechanism, the raw materials can be conveyed to the feed hole, making it convenient for grinding block A and grinding block B to grind them, bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1A schematic diagram of the front cross-sectional structure of the utility model is shown.

[0030] Figure 2 The utility model is shown Figure 1 Schematic diagram of the enlarged structure of part A.

[0031] Figure numerals 1, box body, 2, grinding block A, 3, grinding block B, 4, feed hole, 5, discharge hole, 6, conical gear ring, 7, rotating shaft, 8, bevel gear, 9, conveying shell, 10, auger, 11, discharge port, 12, connecting pipe, 13, guide plate, 14, connecting rod, 15, first sprocket, 16, second sprocket, 17, first chain, 18, support seat, 19, motor, 20, third sprocket, 21, second chain, 22, annular slide groove, 23, annular slider, 24, collecting vehicle, 25, collecting port, 26, turning rod. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0033] The utility model provides a cement mill grinding mechanism for thixotropic oil well cement, comprising:

[0034] Box 1;

[0035] The grinding block A2 is fixedly installed in the box 1;

[0036] The grinding block B3 is rotatably mounted in the housing 1, and its upper end surface contacts the lower end surface of the grinding block A2;

[0037] A feed hole 4 is formed in the grinding block A2;

[0038] A discharge hole 5 is formed in the grinding block B3;

[0039] A conical gear ring 6 is provided on the lower end surface of the grinding block B3;

[0040] The conical gear ring 6 is fixedly mounted on the lower end surface of the grinding block B3 and can be fixed relatively thereto;

[0041] The rotating shaft 7 is rotatably mounted on the inner wall of the box body 1;

[0042] The bevel gear 8 is fixedly mounted on one end of the rotating shaft 7 and meshedly connected with the bevel gear ring 6;

[0043] The rotation of the rotating shaft 7 can drive the bevel gear 8 to rotate, so that the bevel gear 8 drives the bevel gear ring 6 and the grinding block B3 to rotate simultaneously;

[0044] The conveying mechanism is arranged in the box body 1 and located above the grinding block A2, and is used to convey the raw material to the feeding hole 4;

[0045] Under the action of the conveying mechanism, the grinding block B3 can rotate and cooperate with the grinding block A2 to grind the raw materials in the feed hole 4, and the ground raw materials flow out from the discharge hole 5, which is convenient for the staff to collect.

[0046] Specifically, the conveying mechanism includes:

[0047] The conveying shell 9 is fixedly installed in the box body 1, and an opening is formed on the upper wall;

[0048] The staff adds the raw materials into the box 1 so that it falls into the conveying shell 9 through the opening;

[0049] The auger 10 is rotatably mounted in the conveying shell 9, and its two ends respectively penetrate the two side walls of the box body 1;

[0050] A discharge port 11 is formed on the lower wall of the conveying shell 9;

[0051] A connecting pipe 12, one end of which is connected to the discharge port 11, and the other end of which is connected to the feed hole 4;

[0052] The rotation of the auger 10 can transport the raw materials in the conveying shell 9, so that the raw materials flow from the discharge port 11 into the connecting pipe 12, and then fall from the connecting pipe 12 into the feed hole 4;

[0053] The guide plates 13 are symmetrically arranged in the box body 1, and the lower ends are fixedly connected to the upper walls of the conveying shell 9 respectively;

[0054] The guide plate 13 is fixedly mounted on the inner wall of the box body 1 , and its lower end is fixedly connected to the upper wall of the conveying shell 9 , which can guide the raw materials in the box body 1 so that they can fall into the conveying shell 9 more smoothly through the opening.

[0055] Specifically, a connecting rod 14 is provided between the pair of guide plates 13, and the two ends of the connecting rod 14 are rotatably connected to the inner side wall surfaces of the box body 1 respectively;

[0056] A material turning rod 26 is fixedly mounted on the outer surface of the connecting rod 14;

[0057] The rotation of the connecting rod 14 can drive the turning rod 26 to rotate at the same time, so that the turning rod 26 can turn the raw materials over to prevent the raw materials from piling up and being unable to fall into the conveying shell 9;

[0058] The first sprockets 15 are fixedly mounted at both ends of the auger 10, and the outer side of the box body 1 is provided with a second sprocket 16, which is fixedly connected to one end of the connecting rod 14;

[0059] A first sprocket 15 and a second sprocket 16 are connected to each other via a first chain 17;

[0060] Under the action of a first sprocket 15, a second sprocket 16 and a first chain 17, when the auger 10 rotates, the connecting rod 14 can rotate at the same time;

[0061] A support seat 18 is fixedly mounted on the outer wall of the box body 1, and a motor 19 is disposed on the upper end surface of the support seat 18. The output end of the motor 19 is fixedly connected to one end of the rotating shaft 7;

[0062] The output end of the motor 19 rotates to drive the shaft 7 to rotate simultaneously;

[0063] A third sprocket 20 is fixedly mounted on the outer surface of the output end of the motor 19, and the third sprocket 20 is connected to a first sprocket 15 through a second chain 21;

[0064] Under the action of the third sprocket 20 , the first sprocket 15 and the second chain 21 , the output end of the motor 19 can rotate to drive the rotating shaft 7 and drive the auger 10 to rotate at the same time.

[0065] Specifically, an annular slide groove 22 is formed on the inner wall surface of the box body 1, and an annular slider 23 slidably connected to the annular slide groove 22 is fixedly installed on the outer wall surface of the grinding block B3;

[0066] Under the action of the annular chute 22 and the annular slider 23, the grinding block B3 can be made to rotate more stably, thereby improving the grinding quality of the raw material.

[0067] Specifically, a collecting vehicle 24 is provided on the lower end surface of the interior of the box body 1, and a collecting port 25 is formed on the side wall of the box body 1 and on one side of the collecting vehicle 24;

[0068] The collecting vehicle 24 can collect the ground raw materials flowing out of the discharge hole 5 , and the collecting port 25 can facilitate the staff to collect the raw materials from the collecting vehicle 24 .

[0069] Working principle: First, the staff starts the motor 19. The rotation of the output end of the motor 19 can drive the rotating shaft 7 and the bevel gear 8 to rotate at the same time. At this time, the rotation of the bevel gear 8 can drive the bevel gear ring 6 to rotate the grinding block B3 at the same time. At the same time, the rotation of the output end of the motor 19 can drive the third sprocket 20. At this time, under the action of the second chain 21 and a first sprocket 15, the auger 10, another first sprocket 15, the first chain 17 and the second sprocket 15 can rotate at the same time. The rotation of the second sprocket 16 can drive the connecting rod 14 and the stirring rod 26 to rotate. At this time, the staff will The raw materials are added into the box body 1. At this time, a pair of guide plates 13 can guide the raw materials so that they have an opening and fall into the conveying shell 9. At the same time, the stirring rod 26 can stir the raw materials to prevent them from piling up. At this time, the auger 10 rotates to transport the raw materials in the conveying shell 9 to the discharge port 11. At this time, the raw materials fall into the feed hole 4 from the discharge port 11 and the connecting pipe 12. At this time, the rotating grinding block B3 and the grinding block A2 cooperate to grind the raw materials in the feed hole 4. The ground raw materials fall from the discharge hole 5 to the collection vehicle 24 below, which is convenient for the staff to collect and brings convenience to people.

[0070] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0071] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0072] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0073] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0074] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A cement mill grinding mechanism for thixotropic oil well cement, characterized in that: include; Box body (1); A grinding block A (2), fixedly installed in the box (1); A grinding block B (3) is rotatably mounted in the housing (1), and its upper end surface is in contact with the lower end surface of the grinding block A (2); A feed hole (4) formed in the grinding block A (2); A discharge hole (5) is formed in the grinding block B (3); A conical gear ring (6) is provided on the lower end surface of the grinding block B (3); A rotating shaft (7) is rotatably mounted on the inner wall surface of the box body (1); A bevel gear (8) is fixedly mounted on one end of the rotating shaft (7) and meshedly connected with the bevel gear ring (6); The conveying mechanism is arranged in the box body (1) and located above the grinding block A (2), and is used for conveying the raw material into the feed hole (4).

2. The grinding mechanism of a cement mill for thixotropic oil well cement according to claim 1, characterized in that: The conveying mechanism comprises: A conveying shell (9) is fixedly installed in the box body (1), and an opening is formed on the upper wall; An auger (10) is rotatably mounted in the conveying shell (9), and its two ends respectively penetrate through the two side walls of the box body (1); A discharge port (11) is formed on the lower wall of the conveying shell (9); A connecting pipe (12), one end of which is connected to the discharge port (11) and the other end of which is connected to the feed hole (4); The material guide plates (13) are symmetrically arranged in the box body (1), and the lower ends are respectively fixedly connected to the upper walls of the conveying shell (9).

3. The grinding mechanism of a cement mill for thixotropic oil well cement according to claim 2, characterized in that: A connecting rod (14) is provided between the pair of guide plates (13), and the two ends of the connecting rod (14) are rotatably connected to the inner side wall surfaces of the box body (1) respectively; A material turning rod (26) is fixedly mounted on the outer surface of the connecting rod (14); The two ends of the auger (10) are respectively fixedly mounted with first sprockets (15), the outer side of the box body (1) is provided with a second sprocket (16), and the second sprocket (16) is fixedly connected to one end of the connecting rod (14); The first sprocket (15) and the second sprocket (16) are connected to each other via a first chain (17); A support seat (18) is fixedly mounted on the outer wall surface of the box body (1), a motor (19) is provided on the upper end surface of the support seat (18), and an output end of the motor (19) is fixedly connected to one end of the rotating shaft (7); A third sprocket (20) is fixedly mounted on the outer surface of the output end of the motor (19), and the third sprocket (20) is connected to one of the first sprockets (15) via a second chain (21).

4. The grinding mechanism of a cement mill for thixotropic oil well cement according to claim 1, characterized in that: An annular sliding groove (22) is formed on the inner wall surface of the box body (1), and an annular sliding block (23) slidably connected to the annular sliding groove (22) is fixedly mounted on the outer wall surface of the grinding block B (3).

5. The grinding mechanism of a cement mill for thixotropic oil well cement according to claim 1, characterized in that: A collecting vehicle (24) is provided on the inner lower end surface of the box body (1), and a collecting port (25) is formed on the side wall of the box body (1) and located on one side of the collecting vehicle (24).

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