CN220328795U

CN220328795U - Cement grinding device for cement production

Info

Publication number: CN220328795U
Application number: CN202321828062.2U
Authority: CN
Inventors: 唐中美; 王保理; 汪全全
Original assignee: FENGYANG ZHONGDU CEMENT CO LTD
Current assignee: FENGYANG ZHONGDU CEMENT CO LTD
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-12
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a cement grinding device for cement production, which relates to the technical field of cement production and comprises a shell, wherein the inner side wall of the shell is rotationally connected with a grinding rod, one end of the grinding rod penetrates through the outer side wall of the shell and is fixedly connected with a second conical gear, the bottom end of the second conical gear is meshed with a first conical gear.

Description

Cement grinding device for cement production

Technical Field

The utility model relates to the technical field of cement production, in particular to a cement grinding device for cement production.

Background

Cement grinding is the last step of cement manufacture and is also the most power-consuming step. The main function of the cement powder grinding device is to grind cement clinker to proper granularity to form certain grain size distribution, increase the hydration area, accelerate the hydration rate, meet the coagulation and hardening requirements of cement paste, and in a circular flow grinding system, a powder selecting machine is matched with the circular flow grinding system, so that the fineness of a finished product is kept unchanged, and the yield can be improved. In a specific closed-circuit mill, the fineness of the finished product is unchanged, the size of the circulating load is determined by the fineness of the material to be milled, the residence time of the material in the mill is reflected, and the grinding mode can be divided into vertical grinding and stirring grinding.

In the prior art, as disclosed in chinese patent CN215743777U, "a cement grinding device for cement production", the device comprises a frame, the baffle is installed to the inside bottom of frame, the equal rigid coupling in top both sides of baffle has the second buckle, peg graft in the inside of second buckle has two lugs, the top rigid coupling of lug has first buckle, the internally mounted of frame has grinding device, adjusting member is installed to the bottom of frame.

However, in the prior art, when cement is ground, cement residues can be gathered in stirring rod equipment, the original residues are pushed to move to a discharge hole by newly added cement raw materials, the effect of discharging is realized, and after grinding is finished, finally, the added cement materials are easily accumulated in grinding equipment and cannot be discharged, so that the waste of the materials is caused.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, after grinding is finished, finally fed cement materials are easily accumulated in grinding equipment and cannot be discharged, so that the materials are wasted.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a cement grinding device for cement production, includes the shell, the inside wall of shell rotates and is connected with the grinding rod, the one end of grinding rod runs through the lateral wall of shell and fixedly connected with second bevel gear, the bottom meshing of second bevel gear has first bevel gear, the bottom of first bevel gear rotates and is connected with the worm wheel, the bottom of shell rotates and is connected with the rotation axis, the one end fixedly connected with worm of rotation axis, the worm with worm wheel intermeshing, the louvre has been seted up to the one end of shell, the one end of worm is provided with the flabellum.

Preferably, the bottom end of the shell is fixedly connected with a supporting leg, and the shell is fixedly connected with a bottom plate through the supporting leg.

Preferably, a motor is fixedly connected to the center position of the top end of the bottom plate, and a transmission mechanism is fixedly connected to the output end of the motor.

Preferably, the motor is connected with a rotating shaft through the transmission mechanism in a transmission way, and one end of the worm is fixedly connected with a limiting plate.

Preferably, the top end of the shell is provided with a feeding opening, and the bottom end of the shell is provided with a discharging opening.

Preferably, the lateral wall of limiting plate has seted up spacing stripe, the one end of limiting plate is pegged graft in the lateral wall central point department of flabellum.

Preferably, the inside wall sliding connection of feed inlet has the deep bead, the top fixedly connected with handle of deep bead.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the motor drives the upper rotating shaft to rotate, the rotating shaft drives the worm to rotate, the worm drives the two worm gears to rotate, the worm gear drives the first conical gear to rotate, the first conical gear drives the second conical gear to rotate, the second conical gear drives the two grinding rods on the inner side to rotate, the fan blades are inserted into one end of the worm, the wind shield is opened, the fan blades generate air flow in the horizontal direction, the air flow passes from one end to the other end, residual cement dust on the grinding rods is blown out, and the residual cement on the grinding rods is discharged through the discharging opening at the other end, so that the effect of fully discharging the residual cement on the grinding rods is realized.

2. According to the utility model, the shell is fixedly connected with the bottom plate through the supporting legs, the second bevel gear is fixedly connected with the bottom plate through the other supporting leg, the rotating shaft is rotationally connected with the lower part of the shell, and the rubber feet are arranged at the bottom ends of the supporting legs, so that the buffering effect is realized when the motor is started, and the running stability of the grinding rod is improved.

Drawings

Fig. 1 is a schematic perspective view of a cement grinding device for cement production according to the present utility model;

FIG. 2 is a schematic view showing the bottom structure of a housing in a cement grinding device for cement production according to the present utility model;

FIG. 3 is a schematic view showing the structure of a worm wheel and a worm in a cement grinding device for cement production;

fig. 4 is a schematic structural view of a fan blade in a cement grinding device for cement production according to the present utility model.

Legend description: 1. a bottom plate; 2. a housing; 3. a wind deflector; 4. a grinding rod; 5. a feeding port; 6. a first bevel gear; 7. a second bevel gear; 8. a fan blade; 9. a motor; 10. a transmission mechanism; 11. a rotation shaft; 12. a worm wheel; 13. a worm; 14. a feed opening; 15. a limiting plate; 16. a handle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides a cement grinding device for cement production, which comprises a housing 2, wherein the inner side wall of the housing 2 is rotationally connected with a grinding rod 4, one end of the grinding rod 4 penetrates through the outer side wall of the housing 2 and is fixedly connected with a second bevel gear 7, the bottom end of the second bevel gear 7 is meshed with a first bevel gear 6, the bottom end of the first bevel gear 6 is rotationally connected with a worm wheel 12, the bottom end of the housing 2 is rotationally connected with a rotating shaft 11, one end of the rotating shaft 11 is fixedly connected with a worm 13, the worm 13 is meshed with the worm wheel 12, one end of the housing 2 is provided with a heat dissipation hole, and one end of the worm 13 is provided with a fan blade 8.

The concrete setting and action of this embodiment will be described specifically below, add the cement raw materials to the inside of shell 2 from feed inlet 5 inside, the inside of shell 2 sets up two opposite rotation direction's grinding rod 4, through rotating rotation axis 11, make rotation axis 11 drive worm 13 rotate, worm 13 drives two worm wheels 12 rotation, worm wheel 12 drives first bevel gear 6 rotation, thereby make first bevel gear 6 drive second bevel gear 7 rotation, second bevel gear 7 drives two inboard grinding rod 4 rotation, thereby carry out abundant grinding with cement, when finishing grinding, peg graft flabellum 8 in the one end of worm 13, and open deep bead 3, make flabellum 8 produce the air current of horizontal direction, the air current is led to the other end by one end, blow out the cement dust that remains on the grinding rod 4, and realize the effect of abundant ejection of compact after the cement grinds through the feed inlet 14 of the other end.

Example two

As shown in fig. 1-4, the bottom end of the housing 2 is fixedly connected with supporting feet, and the housing 2 is fixedly connected with the bottom plate 1 through the supporting feet. The motor 9 is fixedly connected to the center of the top end of the bottom plate 1, and the output end of the motor 9 is fixedly connected with the transmission mechanism 10. The motor 9 is connected with a rotating shaft 11 through a transmission mechanism 10 in a transmission way, and one end of a worm 13 is fixedly connected with a limiting plate 15. The top of shell 2 has seted up feed opening 5, and the feed opening 14 has been seted up to the bottom of shell 2. The lateral wall of limiting plate 15 has seted up spacing stripe, and the one end of limiting plate 15 is pegged graft in the lateral wall central point department of flabellum 8. The inside wall sliding connection of feed inlet 5 has deep bead 3, and the top fixedly connected with handle 16 of deep bead 3.

The whole embodiment of the grinding machine achieves the effects that the motor 9 is started, the motor 9 drives the lower driving wheel to rotate, the lower driving wheel drives the upper driving wheel to rotate through the driving belt, the upper driving wheel drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the worm 13 to rotate, driving force is provided for the rotation of the two grinding rods 4 and the rotation of the fan blades 8, meanwhile, the shell 2 is fixedly connected with the bottom plate 1 through the supporting leg, the second bevel gear 7 is fixedly connected with the bottom plate 1 through the other supporting leg, and the rotating shaft 11 is rotationally connected with the lower part of the shell 2.

The application method and the working principle of the device are as follows: during grinding, cement raw materials are added into the shell 2 from the inside of the feeding hole 5, the motor 9 is started, the motor 9 drives the lower driving wheel to rotate, the lower driving wheel drives the upper driving wheel to rotate through the driving belt, the upper driving wheel drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the worm 13 to rotate, the worm 13 drives the two worm gears 12 to rotate, the worm gear 12 drives the first bevel gear 6 to rotate, so that the first bevel gear 6 drives the second bevel gear 7 to rotate, and the second bevel gear 7 drives the two grinding rods 4 on the inner side to rotate and grind the cement raw materials;

when grinding is finished, the fan blade 8 is inserted into one end of the worm 13, the wind shield 3 is opened, so that the fan blade 8 generates air flow in the horizontal direction, the air flow is led to the other end from one end, residual cement dust on the grinding rod 4 is blown out, and the material is discharged through the material discharging opening 14 at the other end.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Cement grinding device for cement production, including shell (2), its characterized in that: the utility model discloses a grinding machine, including shell (2), milling rod (4), milling rod, worm (13), worm wheel (12) and fan blade (8) are connected with in the rotation of the inside wall of shell (2), milling rod's one end runs through the lateral wall of shell (2) and fixedly connected with second bevel gear (7), the bottom meshing of second bevel gear (7) has first bevel gear (6), the bottom of first bevel gear (6) rotates and is connected with worm wheel (12), the bottom of shell (2) rotates and is connected with rotation axis (11), the one end fixedly connected with worm (13) of rotation axis (11), worm (13) with worm wheel (12) intermeshing, the louvre has been seted up to the one end of shell (2), the one end of worm (13) is provided with fan blade (8).

2. A cement grinding device for cement production according to claim 1, wherein: the bottom end of the shell (2) is fixedly connected with a supporting leg, and the shell (2) is fixedly connected with a bottom plate (1) through the supporting leg.

3. A cement grinding device for cement production according to claim 2, characterized in that: the motor (9) is fixedly connected to the center of the top end of the bottom plate (1), and the transmission mechanism (10) is fixedly connected to the output end of the motor (9).

4. A cement grinding device for cement production according to claim 3, characterized in that: the motor (9) is connected with a rotating shaft (11) through a transmission mechanism (10), and one end of the worm (13) is fixedly connected with a limiting plate (15).

5. A cement grinding device for cement production according to claim 1, wherein: the top of shell (2) has seted up feed opening (5), feed opening (14) have been seted up to the bottom of shell (2).

6. The cement grinding device for cement production according to claim 4, wherein: limiting stripes are formed in the outer side wall of the limiting plate (15), and one end of the limiting plate (15) is inserted into the center of the side wall of the fan blade (8).

7. The cement grinding device for cement production according to claim 5, wherein: the inner side wall sliding connection of feed opening (5) has deep bead (3), the top fixedly connected with handle (16) of deep bead (3).