Airflow crushing type lower grinding body with nozzle convenient to replace

Abstract

The airflow crushing type lower mill body comprises a lower mill body, an annular air guide pipe, a base, a movable door and the nozzle, the movable door is movably installed on the surface of one side of the lower mill body, the base is fixedly installed at the bottom of the lower mill body, and a nozzle guide cylinder is fixedly installed on the surface of the lower mill body and is close to the lower portion of the lower mill body. A plug cap is fixedly installed on the front end face of the nozzle guide cylinder, an annular air guide pipe is fixedly installed on the outer portion of the lower grinding body and located above the nozzle guide cylinder, and a nozzle is embedded in the nozzle guide cylinder. According to the airflow crushing type lower grinding body with the nozzle convenient to replace, when the nozzle needs to be replaced, the plug cap is detached, then positioning of the pin and the nozzle guide cylinder is removed, the nozzle can be pulled out of the nozzle guide cylinder, and therefore the nozzle can be conveniently detached, and after a new nozzle is installed in the nozzle guide cylinder again, the nozzle can be conveniently replaced. And the plug cap is mounted back to the original position.

Description

Technical Field

[0001] The utility model relates to the technical field of air flow crushing type lower grinding body, in particular to an air flow crushing type lower grinding body which is convenient for replacing nozzles. Background Technique

[0002] The air flow crushing type lower grinding body is a processing equipment that completes the crushing of materials through the purging of high-pressure air flow. The high-pressure air flow is sprayed onto the materials inside the lower grinding body through the nozzles installed in the lower grinding body.

[0003] However, there are some deficiencies in the current air flow crushing type lower grinding body. The structure of the air flow crushing type lower grinding body is single. With different materials, the number and replaceability of the nozzles of the lower grinding body are very inconvenient. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an air flow crushing type lower grinding body which is convenient for replacing nozzles, and can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An air flow crushing type lower grinding body which is convenient for replacing nozzles, comprising a lower grinding body, an annular air duct, a base, a movable door and a nozzle. A movable door is movably installed on one side surface of the lower grinding body. A base is fixedly installed at the bottom of the lower grinding body. A nozzle guiding cylinder is fixedly installed on the surface of the lower grinding body and near the lower part. A plug cap is fixedly installed at the front end of the nozzle guiding cylinder. An annular air duct is fixedly installed outside the lower grinding body and above the nozzle guiding cylinder. A nozzle is embedded in the nozzle guiding cylinder.

[0007] Preferably, a feed pipe is fixedly installed on the other side surface of the lower grinding body. Connecting flanges are fixedly installed on the surface of the lower grinding body and near the lower part. The number of the connecting flanges is four.

[0008] Preferably, an air inlet pipe is fixedly installed on the surface of the annular air duct. A connecting pipe is fixedly installed on the lower surface of the annular air duct. A threaded sleeve is sleeved on the surface of the connecting pipe. The number of the connecting pipes is four.

[0009] Preferably, an installation flange is fixedly sleeved at the rear end of the surface of the nozzle guiding cylinder. A butt joint pipe is fixedly installed on the upper surface of the nozzle guiding cylinder. A straight-through joint is fixedly installed at the upper end of the butt joint pipe. The installation flange is fixed to the connecting flange.

[0010] Preferably, a spray head is fixedly installed at the front end of the nozzle. The front end of the nozzle passes through the connecting flange and extends into the lower grinding body. A through port is opened on the upper surface of the nozzle located inside the nozzle guiding cylinder. A pin is embedded on the upper surface of the nozzle and behind the through port.

[0011] Preferably, the lower end of the threaded sleeve is threadedly sleeved on the straight-through joint, and the annular air duct, the connecting pipe, the straight-through joint, the butt joint pipe and the nozzle are communicated with each other.

[0012] Preferably, O-rings are provided between the connecting flange and the mounting flange, between the plug cap and the nozzle guide cylinder, between the connecting pipe and the straight-through joint, and between the rear end of the plug cap and the nozzle. A combined gasket is provided between the straight-through joint and the butt joint pipe, and an O-ring is also provided at the inner rear end of the nozzle guide cylinder.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by setting the nozzle guide cylinder, the plug cap and the nozzle to cooperate with each other, when the nozzle needs to be replaced, the plug cap is disassembled, and then the positioning of the pin and the nozzle guide cylinder is released, so that the nozzle can be pulled out from the nozzle guide cylinder, thus completing the convenient disassembly of the nozzle. When a new nozzle is installed into the nozzle guide cylinder again, the plug cap can be installed back in place. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of an air flow crushing type lower grinding body with a nozzle that is convenient to replace according to the utility model;

[0016] Figure 2 is the top view of an air flow crushing type lower grinding body with a nozzle that is convenient to replace according to the utility model;

[0017] Figure 3 is the partial sectional view of an air flow crushing type lower grinding body with a nozzle that is convenient to replace according to the utility model.

[0018] In the figure: 1, lower grinding body; 101, connecting flange; 102, feed pipe; 2, base; 3, annular air duct; 301, intake pipe; 302, connecting pipe; 303, threaded sleeve; 4, movable door; 5, nozzle guide cylinder; 501, mounting flange; 502, straight-through joint; 503, butt joint pipe; 6, plug cap; 7, nozzle; 701, spray head; 702, through hole; 703, pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the technical means, creative features, achieved purposes and functions of the utility model easy to understand, the utility model will be further described below in conjunction with the specific embodiments.

[0020] Such as Figures 1-3An air-flow crushing type lower grinding body facilitating nozzle replacement is shown, which includes a lower grinding body 1, an annular air duct 3, a base 2, a movable door 4 and a nozzle 7. A movable door 4 is movably installed on one side surface of the lower grinding body 1. A base 2 is fixedly installed at the bottom of the lower grinding body 1. A nozzle guide cylinder 5 is fixedly installed on the surface of the lower grinding body 1 and near the lower part. A plug cap 6 is fixedly installed at the front end of the nozzle guide cylinder 5. An annular air duct 3 is fixedly installed outside the lower grinding body 1 and above the nozzle guide cylinder 5. A nozzle 7 is embedded in the nozzle guide cylinder 5.

[0021] A feed pipe 102 is fixedly installed on the other side surface of the lower grinding body 1. A connecting flange 101 is fixedly installed on the surface of the lower grinding body 1 and near the lower part. The number of the connecting flanges 101 is four. The material to be crushed enters the lower grinding body 1 through the feed pipe 102. An air inlet pipe 301 is fixedly installed on the surface of the annular air duct 3. A connecting pipe 302 is fixedly installed on the lower surface of the annular air duct 3. A threaded sleeve 303 is sleeved on the surface of the connecting pipe 302. The number of the connecting pipes 302 is four. High-pressure air flow enters the annular air duct 3 through the air inlet pipe 301. An installation flange 501 is fixedly sleeved on the surface of the nozzle guide cylinder 5 and at the rear end. A butt joint pipe 503 is fixedly installed on the upper surface of the nozzle guide cylinder 5. A straight-through joint 502 is fixedly installed at the upper end of the butt joint pipe 503. The installation flange 501 is fixed to the connecting flange 101. A spray head 701 is fixedly installed at the front end of the nozzle 7. The front end of the nozzle 7 passes through the connecting flange 101 and extends into the lower grinding body 1. A through hole 702 is formed on the upper surface of the nozzle 7 located inside the nozzle guide cylinder 5. A pin 703 is embedded on the upper surface of the nozzle 7 and behind the through hole 702. After the nozzle 7 is installed in the nozzle guide cylinder 5, the pin 703 can position the nozzle 7, so that the through hole 702 of the nozzle 7 is aligned with the butt joint pipe 503. The lower end of the threaded sleeve 303 is threadedly sleeved on the straight-through joint 502. The annular air duct 3, the connecting pipe 302, the straight-through joint 502, the butt joint pipe 503 and the nozzle 7 are communicated with each other. The connecting pipe 302 and the straight-through joint 502 can be fixed together by using the threaded sleeve 303. O-rings are provided between the connecting flange 101 and the installation flange 501, between the plug cap 6 and the nozzle guide cylinder 5, between the connecting pipe 302 and the straight-through joint 502, and between the rear end of the plug cap 6 and the nozzle 7. A combined washer is provided between the straight-through joint 502 and the butt joint pipe 503. An O-ring is also provided at the rear end inside the nozzle guide cylinder 5.

[0022] It should be noted that the present utility model is an air-flow crushing type lower grinding body that is convenient for replacing the nozzle. When in use, high-pressure air enters the annular air duct 3 through the air inlet pipe 301. The air flow in the annular air duct 3 enters the nozzle 7 through the connecting pipe 302, the straight-through joint 502, and the butt joint pipe 503, and finally sprays out through the nozzle head 701, so as to crush the material in the lower grinding body 1. The light-weight material is discharged from above the lower grinding body 1 under the suction of an external device. When it is necessary to replace the nozzle 7, the plug cap 6 is removed, and then the positioning of the pin 703 and the nozzle guide cylinder 5 is released, so that the nozzle 7 can be withdrawn from the nozzle guide cylinder 5, thus completing the convenient disassembly of the nozzle 7. After the new nozzle 7 is installed into the nozzle guide cylinder 5 again, the plug cap 6 is installed back in place.

[0023] The above shows and describes the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An air-flow crushing type lower grinding body that is convenient for replacing the nozzle, characterized in that: It includes a lower grinding body (1), an annular air duct (3), a base (2), a movable door (4) and a nozzle (7). A movable door (4) is movably installed on one side surface of the lower grinding body (1). A base (2) is fixedly installed at the bottom of the lower grinding body (1). A nozzle guide cylinder (5) is fixedly installed on the surface of the lower grinding body (1) and near the lower part. A plug cap (6) is fixedly installed at the front end of the nozzle guide cylinder (5). An annular air duct (3) is fixedly installed outside the lower grinding body (1) and above the nozzle guide cylinder (5). A nozzle (7) is embedded in the nozzle guide cylinder (5).

2. The air flow crushing type lower grinding body facilitating nozzle replacement according to claim 1, wherein: A feed pipe (102) is fixedly installed on the other side surface of the lower grinding body (1). A connecting flange (101) is fixedly installed on the surface of the lower grinding body (1) and near the lower part. The number of the connecting flanges (101) is four.

3. The air-flow crushing type lower grinding body facilitating nozzle replacement according to claim 2, characterized in that: An air inlet pipe (301) is fixedly installed on the surface of the annular air duct (3). A connecting pipe (302) is fixedly installed on the lower surface of the annular air duct (3). A threaded sleeve (303) is sleeved on the surface of the connecting pipe (302). The number of the connecting pipes (302) is four.

4. The airflow crushing type lower grinding body facilitating nozzle replacement according to claim 3, characterized in that: An installation flange (501) is fixedly sleeved on the surface of the nozzle guide cylinder (5) and at the rear end. A butt joint pipe (503) is fixedly installed on the upper surface of the nozzle guide cylinder (5). A straight-through joint (502) is fixedly installed at the upper end of the butt joint pipe (503). The installation flange (501) is fixed to the connecting flange (101).

5. The air flow crushing type lower grinding body facilitating nozzle replacement according to claim 4, wherein: A spray head (701) is fixedly installed at the front end of the nozzle (7). The front end of the nozzle (7) passes through the connecting flange (101) and extends into the lower grinding body (1). An opening (702) is formed on the upper surface of the nozzle (7) located inside the nozzle guide cylinder (5). A pin (703) is embedded on the upper surface of the nozzle (7) and behind the opening (702).

6. The air flow crushing type lower grinding body convenient for nozzle replacement according to claim 5, characterized in that: The lower end of the threaded sleeve (303) is threadedly sleeved on the straight-through joint (502). The annular air duct (3), the connecting pipe (302), the straight-through joint (502), the butt joint pipe (503) and the nozzle (7) communicate with each other.

7. The airflow crushing type lower grinding body facilitating nozzle replacement according to claim 6, wherein: O-rings are provided between the connecting flange (101) and the installation flange (501), between the plug cap (6) and the nozzle guide cylinder (5), between the connecting pipe (302) and the straight-through joint (502), and between the rear end of the plug cap (6) and the nozzle (7). A combined washer is provided between the straight-through joint (502) and the butt joint pipe (503). An O-ring is also provided at the inner rear end of the nozzle guide cylinder (5).

Images