CN206229994U - The automatic sand-aerating apparatus of cast tube - Google Patents

Abstract

The utility model relates to an automatic sand blowing device for cast pipes, which belongs to the field of cast pipe production. The utility model comprises a group of active supporting rollers, a group of driven supporting rollers, a pneumatic desanding mechanism, and a lifting mechanism. On the wheel set and the driven supporting wheel set, the pneumatic sand removal mechanism includes a pneumatic sand blowing pipe and a pneumatic knocking hammer. At the socket end of the pipe, the pneumatic sand blowing pipe is supported on the lifting mechanism, and both the pneumatic sand blowing pipe and the pneumatic percussion hammer are connected with the air source through the pipeline. The utility model is used to reduce the labor intensity, improve the working environment and improve the desanding effect.

Description

Casting pipe automatic sand blowing device

technical field

The utility model belongs to the field of cast pipe production, in particular to an automatic sand blowing device for cast pipes.

Background technique

At present, the ball-milled centrifugal casting pipe poured by the centrifuge often has a part of the sand core remaining in the socket, which is transported to the non-driven guide rail by the extubation trolley to the annealing furnace for annealing treatment to eliminate cementite, and the sand in the socket sticks to the inner wall. It is difficult to clean up in the next process. Therefore, before the annealing furnace, an operator needs to manually clean the residual sand core in the socket and the residual sand in the pipe. Since the temperature of the casting pipe here is about 600 degrees, the ambient temperature is high, there is a lot of dust, and the working environment is harsh. It is easy to cause heat stroke, and the workers are exposed to heat radiation during work, and the sand core can easily cause burns and personal injury when the sand core jumps off.

Utility model content

The utility model aims to provide an automatic sand blowing device for casting pipes, which is used to reduce labor intensity, improve working environment and improve sand removal effect.

In order to achieve the above purpose, the technical solution adopted by the utility model is: automatic sand blowing device for casting pipes, including a set of active support rollers, a set of driven support rollers, a pneumatic sand removal mechanism, and a lifting mechanism. The driving wheel of the group is connected with the drive motor, the cast pipe is supported on the driving supporting wheel set and the driven supporting wheel set, the pneumatic sand removal mechanism includes a pneumatic sand blowing tube and a pneumatic knocking hammer, and the pneumatic knocking The hammer is set under the socket of the casting pipe, the lifting mechanism is set at the socket end of the casting pipe, the pneumatic sand blowing pipe is supported on the lifting mechanism, and the pneumatic sand blowing pipe and pneumatic percussion hammer pass through the pipeline Connect with air source.

Further, a translation mechanism is provided outside the lifting mechanism, and the pneumatic sand blowing pipe is supported on the lifting mechanism and the translation mechanism.

Further, the translation mechanism includes a bracket and a platform supported by the bracket, a support bracket is provided on the platform, the pneumatic sand blowing pipe is supported on the support bracket, and the outside of the support bracket is installed on the The cylinder rod of the translation cylinder on the platform is fixedly connected, and the retraction of the cylinder rod of the translation cylinder can drive the support bracket to move on the platform to keep the pneumatic sand blowing pipe away from the socket of the cast pipe.

Further, the upper end of the supporting bracket is provided with a pair of retaining ears, and the pneumatic sand blowing pipe is located between the pair of retaining ears.

Further, a pair of rollers are provided at the bottom of the support bracket.

Further, a guide rail is provided on the platform, and a slide block slidingly fitted with the guide rail is provided at the bottom of the support frame.

Further, the lifting mechanism includes a support and a lifting cylinder installed on the support. The cylinder rod of the lifting cylinder stretches vertically upwards. The upper end of the cylinder rod of the lifting cylinder is provided with a support. The pneumatic sand blowing pipe supports rest on the support.

Further, the support includes a support frame and a lifting roller with a concave arc in the middle, and the two ends of the lifting roller are rotatably connected to the support frame.

Further, the two ends of the cast pipe are respectively provided with a collection box, and a retaining wheel is provided on the collection box at the socket end of the cast pipe.

Further, the blowing end of the pneumatic sand blowing pipe is provided with a straight blowing pipe and a curved blowing pipe, and a sand scraping board is connected to the sand blowing end.

The beneficial effect of the utility model is that: the utility model is to increase the driven supporting wheel group and the driving supporting wheel group, the rotation drives the cast pipe to rotate, and a pneumatic percussion hammer is installed on the side of the cast pipe socket to knock the outer rim of the socket, which is convenient The sand core in the socket falls off, and the lifting mechanism is used to support the pneumatic sand blowing pipe, which is used to support the pneumatic sand blowing pipe, and is convenient to control the distance between the pneumatic sand blowing pipe and the inner wall of the cast pipe, and controls the sand blowing effect.

Utilizing the utility model can reduce the labor intensity of workers, improve the working environment, further ensure personal safety, and simultaneously improve the sand and slag removal effect.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is an enlarged view of the lifting mechanism in Fig. 2 .

In the figure: 1. Cast pipe; 2. Dust collector; 3. Collecting box; 4. Driven roller group; 41. Spare motor; 42. Second driving roller; 43. Second driven roller; 5 , Active supporting wheel group; 51, Drive motor; 52, The first driving supporting wheel; 53, The first driven supporting wheel; 6, Pneumatic percussion hammer; 7, Stop wheel; 8, Lifting mechanism; 81, Lifting supporting wheel ; 82, support; 83, lift cylinder; 9, translation mechanism; 91, support; 92, platform; 93, translation cylinder; 94, supporting bracket; Sand board; 12, straight blowpipe; 13, curved blowpipe.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The embodiment provided by the automatic sand blowing device for casting pipes of the present invention, as shown in Figure 1 and Figure 2, includes a set of active supporting rollers 5, a set of driven supporting rollers 4, a pneumatic sand removal mechanism, and a lifting mechanism 8. The driving wheel of the driving supporting wheel group 5 is connected with the driving motor 51, the cast pipe 1 is supported on the driving supporting wheel group 5 and the driven supporting wheel group 4, and the pneumatic sand removing mechanism includes a pneumatic sand blowing pipe 10 and a pneumatic hammer 6. The pneumatic percussion hammer 6 is set under the socket of the casting pipe 1, the lifting mechanism 8 is set at the socket end of the casting pipe 1, the pneumatic sand blowing pipe 10 is supported on the lifting mechanism 8, the pneumatic sand blowing pipe 10 and the pneumatic The percussion hammers 6 are all communicated with the gas source through pipelines.

In the utility model, a support wheel group is added at the end of the non-driven guide rail of the cast pipe production line to support and drive the cast pipe 1 to rotate, and a pneumatic hammer 6 is arranged outside the socket of the cast pipe 1 to strike the cast pipe 1 bearing. The remaining sand core at the mouth is lifted by the lifting mechanism 8 to hold up the pneumatic sand blowing pipe 10, and air blows the inside of the casting pipe 1 to blow away the sand grains in the casting pipe 1. It can be seen that compared with the prior art, there is no need for manual tapping and manual pipe holding, and people can stay away from the work site. At the same time, the pneumatic tapping hammer 6 is used to automatically tap the cast pipe 1 to form uninterrupted tapping, which is also beneficial to sand cores. Drops cleanly to improve desanding effect. At the same time, with the same rhythm as the production of cast pipes, the cast pipes sent from the non-driven guide rail are directly sent to the sand blowing process, automatically rotated and sand removed, forming a continuous process.

The utility model adopts pneumatic percussion hammer 6, but also can adopt electric hammer, is not limited to this. Among them, in order to improve the environment and remove dust, a dust collector 2 is installed above the socket end of the cast pipe 1, and the pneumatic sand blowing pipe 10 blows from the mouth end to the socket end, and the dust will fly out from the socket end and be removed by the dust collector 2 Dust, improve the environment.

On the basis of the above embodiments, further, a translation mechanism 9 is provided outside the lifting mechanism 8 , and the pneumatic sand blowing pipe 10 is supported on the lifting mechanism 8 and the translation mechanism 9 . The translation mechanism 9 can drive the pneumatic sand blowing pipe 10 to insert into the casting pipe 1 or away from the casting pipe 1 to further realize the function of automatic control. When assembled, the translation mechanism 9 sends the pneumatic sand blowing pipe 10 to the casting pipe 1, and at the same time, the support wheel group drives the casting pipe 1 to rotate, and the pneumatic hammer 6 starts to strike. When a certain time is reached, the lifting mechanism 8 rises and lifts the pneumatic The sand blowing pipe 10, the translation mechanism 9 drives the pneumatic sand blowing pipe 10 away from the socket of the casting pipe 1, the casting pipe 1 is removed, and the next casting pipe 1 is sent to the station for sand removal, and this cycle is carried out to realize Automatic sand removal, without manual operation, greatly reduces labor intensity, improves production efficiency, and sand removal effect.

On the basis of the above-mentioned embodiments, further, the translation mechanism 9 includes a bracket 91 and a platform 92 supported by the bracket 91. A support bracket 94 is provided on the platform 92, and the pneumatic sand blowing pipe 10 is supported on the support bracket 94. Above, the outer side of the support bracket 94 is fixedly connected with the cylinder rod of the translation cylinder 93 installed on the platform 92, and the cylinder rod of the translation cylinder 93 can be retracted and extended to drive the support bracket 94 to move on the platform 92 to make the pneumatic sand blowing pipe 10 Away from or into the socket of the cast pipe 1. More specifically, the cylinder rod of the translation cylinder 93 is in the horizontal direction, and further, the structure of the electric slide rail slider, hydraulic cylinder and other structures can also be selected, but it is not limited thereto.

On the basis of the above embodiments, further, a pair of retaining ears 95 is provided on the upper end of the supporting bracket 94 , and the pneumatic sand blowing pipe 10 is located between the pair of retaining ears 95 . The retaining ears 95 are used to prevent the pneumatic sand blowing pipe 10 from falling, and limit the pneumatic sand blowing pipe 10 .

In order to reduce resistance, a pair of rollers are provided at the bottom of the support bracket 94 .

In order to reduce resistance, a guide rail is provided on the platform 92, and a slide block slidingly matched with the guide rail is provided at the bottom of the support bracket 94, and the pneumatic sand blowing pipe 10 is supported on the slide block.

On the basis of the above-mentioned embodiments, further referring to Fig. 1-Fig. 3, the lifting mechanism 8 includes a support 82 and a lift cylinder 83 installed on the support 82, the cylinder rod of the lift cylinder 83 stretches vertically upwards, and the lift cylinder 83 The upper end of the cylinder rod is provided with a support, and the pneumatic sand blowing pipe 10 is supported on the support. Use the lifting mechanism 8 to support the pneumatic sand blowing pipe 10, which is used to support the pneumatic sand blowing pipe 10, and is convenient to control the distance between the pneumatic sand blowing pipe 10 and the inner wall of the casting pipe 1, and to control the effect of sand blowing. At the same time, it is also easy to take away Pneumatic sand blasting tube 10. Wherein, the lifting cylinder can also be selected from a hydraulic cylinder, an electric cylinder, etc., or a worm gear structure, or a lifting screw nut structure, and can be driven by a motor to realize automatic lifting.

On the basis of the above embodiments, referring further to FIGS. 1-3 , the supporting member includes a supporting frame and a lifting roller 81 , and both ends of the lifting roller 81 are rotatably connected to the supporting frame.

On the basis of the above-mentioned embodiment, referring further to FIG. 3 , the center of the lifting support roller 81 is a concave arc, which is similar in appearance to the structure of a common yo-yo. Sand pipe 10 rocks.

On the basis of the above-mentioned embodiment, the two ends of the cast pipe 1 are provided with collecting boxes 3 respectively, and the retaining wheels 7 are provided on the collecting boxes 3 at the socket end of the cast pipe 1 . A collection box 3 is also provided at both ends of the cast pipe 1 for collecting the knocked sand grains. The retaining wheel 7 plays a position-limiting effect on the cast pipe 1, so as to prevent the cast pipe 1 from moving when it rotates.

On the basis of the above-mentioned embodiments, as an optimized structure, a straight blowing pipe 12 and a curved blowing pipe 13 are further provided at the sand blowing end of the pneumatic sand blowing pipe 10, the straight blowing pipe 12 is used to blow the sand particles to the socket end, and the curved blowing pipe 12 The blowing pipe 13 is used to blow the sand at the socket down along the socket. In addition, a sand scraping board 11 is connected to the sand blowing end. As the pneumatic sand blowing pipe 10 moves outward, the sand scraping board 11 cleans up the large pieces of sand that have fallen off. core.

In the above-mentioned embodiment, the driven idler set 4 rotates under the drive of the active idler set 5. Referring to FIG. Connected by belt transmission, cast pipe 1 is between the first driving supporting wheel 52 and the first driven supporting wheel 53, certainly, driven supporting wheel group 4 also can be provided with backup motor 41, as shown in Figure 2, from The moving supporting wheel group 4 includes a second driving supporting wheel 42, the second driving supporting wheel 42 is connected with the standby motor 41 through a belt transmission, and the cast pipe 1 is between the second driving supporting wheel 42 and the second driven supporting wheel 43, when After the driving motor 51 of active supporting roller group 5 breaks down, start the backup motor 41 immediately, make cast pipe 1 continue to rotate, carry out desanding, avoid stopping.

The sand removal process is further described below: the casting pipe with the sand core in the socket to be cleaned passes through the non-drive track to the sand blowing station, the active supporting wheel group 5 drives the casting pipe to rotate, and the pneumatic hammer 6 regularly strikes and rotates The outer edge of the socket of the casting pipe is convenient for the socket sand core to fall off, and the dropped sand core partly falls into the socket collecting box 3 under the action of the pneumatic sand blowing pipe, and the remaining large sand core is driven by the translation cylinder 93 to remove the sand The plate 11 reciprocates several times and is pulled out to the collection box at the socket. The scattered residual sand is blown to the socket collection box 3 by the pneumatic sand blowing pipe through high-pressure wind. Due to the dust generated during the sand blowing process, the dust is removed by the cyclone dust collector 2 , to improve the working environment of the station.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. the automatic sand-aerating apparatus of cast tube, it is characterised in that including one group of active roller station group, a group of driven support roller group, pneumatic desanding Mechanism, elevating mechanism, the driving wheel of the active roller station group are connected with motor, the cast tube support in active roller station group and On driven support roller group, the pneumatic desanding mechanism includes pneumatic blowing sandpipe and Pneumatic knocking hammer, and the Pneumatic knocking hammer is set In the lower section of cast tube sockets, the elevating mechanism is arranged on one end of cast tube sockets, and the pneumatic blowing sandpipe support is in the liter On descending mechanism, the pneumatic blowing sandpipe and Pneumatic knocking hammer are connected by pipeline with source of the gas.

2. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that be additionally provided with the outside of the elevating mechanism Translation mechanism, the pneumatic blowing sandpipe is supported on the elevating mechanism and the translation mechanism.

3. the automatic sand-aerating apparatus of cast tube as claimed in claim 2, it is characterised in that the translation mechanism include support and according to By support support platform, support bracket is provided with the platform, pneumatic blowing sandpipe support on the support bracket, support bracket Outside be fixedly connected with the cylinder rod of the flat-removing air cyclinder on the platform, the cylinder rod of flat-removing air cyclinder withdraws and can drive support bracket Movement makes pneumatic blowing sandpipe away from the bellmouth of cast tube on platform.

4. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that the upper end of the support bracket is provided with a pair of gears Ear, the pneumatic blowing sandpipe is located between a pair of blocked ears.

5. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that the bottom of the support bracket is provided with a pair of rollings Wheel.

6. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that guide rail is provided with platform, and in support The bottom of frame is provided with the sliding block coordinated with the slide.

7. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that the elevating mechanism includes bearing and installation Lift cylinder on the bearing, the cylinder rod of lift cylinder is stretched straight up, and the cylinder rod upper end of lift cylinder is provided with support Part, the pneumatic blowing sandpipe support is on the support member.

8. the automatic sand-aerating apparatus of cast tube as claimed in claim 7, it is characterised in that the support member includes support frame and centre It is the lifting wheel holding of concave arc, the two ends of lifting wheel holding are rotatably connected on support frame.

9. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that being respectively arranged at two ends with for the cast tube is gathered materials Case, and it is provided with gear wheel on the Material collecting box for harvesting at cast tube sockets end.

10. the automatic sand-aerating apparatus of cast tube as claimed in claim 1, it is characterised in that the blast end of the pneumatic blowing sandpipe sets There are belly pipe and curved blowpipe, be also associated with taking off sand plate at the blast end.