CN213350696U

CN213350696U - Grinding wheel formula roller mill of safe type

Info

Publication number: CN213350696U
Application number: CN202022252770.9U
Authority: CN
Inventors: 郑凯玄; 吴文超; 祝红梅; 毕乃秀
Original assignee: Jinan Huadong New Material Co ltd
Current assignee: Jinan Huadong New Material Co ltd
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-06-04
Anticipated expiration: 2030-10-11

Abstract

The application relates to the technical field of sand mixers and discloses a safe roller type sand mixer which comprises a box body and a first motor, the pivot, rolling mechanism and rabbling mechanism, the box is hollow cylinder mechanism, the box is close to a plurality of supporting legs of the perpendicular fixedly connected with of interval such as ground one end circumference, the box is kept away from ground one end and has been seted up the feed inlet, the coaxial sealed rotation of pivot is connected and is close to ground one end at the box, first motor fixed connection is close to ground one end at the box, the main shaft and the coaxial fixed connection of pivot of first motor, the pivot is connected with rolling mechanism, rabbling mechanism and pivot fixed connection, rabbling mechanism and rolling mechanism are located the both sides that the pivot is relative respectively, rolling mechanism includes elastic component and rolls the subassembly, it is parallel with ground to roll the subassembly and articulated axis of pivot, it passes through elastic component and pivot elastic connection to roll the subassembly and. This application has the effect that improves and roll subassembly safety type.

Description

Grinding wheel formula roller mill of safe type

Technical Field

The application relates to the field of sand mixers, in particular to a grinding wheel type sand mixer with safety.

Background

A sand mixer is a machine which uniformly mixes casting sand, a binder, an additive, water and the like to form molding sand or core sand with certain performance. The sand mixer can uniformly mix all the components in the molding sand and effectively coat the surface of the sand grains with the adhesive. The sand mixer can be divided into the following steps according to the technical characteristics of sand mixing: a roller type sand mixer mainly using rolling and rubbing functions; blade type sand mixer mainly using mixing action.

The roller type sand mixer is widely used for mixing molding (core) sand with clay as a binder, and is provided with a roller with a certain weight, and the roller can revolve around a main shaft of the sand mixer and can rotate around a roller shaft during sand mixing. The grinding wheel grinds the molding sand during grinding, so that the molding sand particles are coated with a layer of adhesive film. When the surface sand and the core sand are mixed, the sand mixing quality is superior to that of other sand mixers.

Referring to fig. 1 and 2, at present, current roller mill mostly includes columniform box 100, first motor 200, pivot 300, rolls mechanism 400, the axis perpendicular to ground of box 100, box 100 are close to a plurality of supporting legs 110 of the perpendicular fixedly connected with of equal interval of ground one end circumference, box 100 is kept away from ground one end and has been seted up feed inlet 120, pivot 300 coaxial seal rotates to be connected and is close to ground one end at box 100, pivot 300 is located inside box 100, first motor 200 fixed connection is close to ground one end at box 100, the main shaft and the coaxial fixed connection of pivot 300 of first motor 200, roll mechanism 400 and pivot 300 fixed connection.

In view of the above-described related art, the inventors considered that there was a defect that the iron nuggets may cause damage to the rolling member when the iron nuggets are mixed in the casting sand into the box of the sand mixer.

SUMMERY OF THE UTILITY MODEL

In order to improve the safe type that rolls the subassembly, this application provides a roller formula roller mill of safe type.

The application provides a roller formula roller mill of safe type adopts following technical scheme:

a safe roller type sand mixer comprises a box body, a first motor, a rotating shaft, a rolling mechanism and a stirring mechanism, the box body is a hollow cylindrical mechanism, the axis of the box body is vertical to the ground, one end of the box body close to the ground is vertically and fixedly connected with a plurality of supporting legs at equal intervals in the circumferential direction, a feed inlet is arranged at one end of the box body, which is far away from the ground, the rotating shaft is coaxially and hermetically connected inside the box body in a rotating way, the first motor is fixedly connected with one end of the box body close to the ground, a main shaft of the first motor is coaxially and fixedly connected with the rotating shaft, the rotating shaft is connected with the rolling mechanism, the stirring mechanism is fixedly connected with the rotating shaft, the stirring mechanism and the rolling mechanism are respectively positioned at two opposite sides of the rotating shaft, the mechanism that rolls includes elastic component and rolls the subassembly, it is parallel with ground to roll the subassembly and pivot articulated and articulated axis, it passes through elastic component and pivot elastic connection to roll the subassembly and keep away from ground one end.

Through adopting above-mentioned technical scheme, the main shaft of first motor rotates and drives the pivot and rotate, and the pivot rotates and drives rolling mechanism and use the pivot as axle center circular motion, and rolling mechanism rolls the material that the feed inlet falls into bottom half including rolling subassembly and elastic component, rolling subassembly motion in-process and rolls. Through rolling the subassembly with the pivot is articulated, make to roll the subassembly and can go up the reverse upset far away from ground when rolling the iron plate that mixes and get into the box in the material, reduce the possibility of rolling the subassembly damage. Utilize fixed connection to roll the elastic component between subassembly and the pivot and restrict the rotation that rolls the subassembly, guarantee to roll the effect that rolls of subassembly.

Optionally, the rolling component comprises a first transverse rod, a vertical rod, a second transverse rod, a second motor and a rolling wheel, the first transverse rod is hinged to the rotating shaft, one side, close to the ground, of one end of the rotating shaft is far away from the first transverse rod and is connected with the vertical rod in a vertical fixed mode, one side, close to the ground, of one end of the vertical rod is far away from the rotating shaft and is connected with the second transverse rod in a vertical fixed mode, the second transverse rod is far away from the vertical rod one end and is connected with the rolling wheel in a coaxial rotating mode, the second motor is embedded inside the second transverse rod, the main shaft of the second motor is connected with the rolling wheel in a coaxial fixed mode.

Through adopting above-mentioned technical scheme, the running roller uses the pivot as axle center circular motion under the drive of first horizontal pole, montant and second horizontal pole, rolls the material among the running process of running roller. The main shaft of second motor rotates and drives the running roller and rotate, strengthens the effect that rolls of running roller.

Optionally, the elastic component includes threaded rod, nut, bearing and spring, threaded rod and pivot fixed connection, the threaded rod is located the direction that ground was kept away from to first horizontal pole, the one end that the pivot was kept away from to the threaded rod is to the direction slope that is close to first horizontal pole, nut and threaded rod threaded connection, the one end that the pivot was kept away from to the nut is with the coaxial fixed connection of inner circle of bearing, nut one end and spring fixed connection are kept away from to the outer lane of bearing, bearing one end and first horizontal pole fixed connection are kept away from to the spring.

Through adopting above-mentioned technical scheme, utilize the spring to carry out the restriction to rolling the rotation of subassembly. Adjust the spring to the power of rolling the subassembly through rotating the nut, can adjust convenient and fast according to the behavior of grinding wheel to the power of applying of spring.

Optionally, one end of the rotating shaft, which is far away from the ground, is fixedly connected with a guide chute, the guide chute is spiral, and one end of the guide chute, which is far away from the ground, is located in the direction that the feed inlet is close to the ground.

Through adopting above-mentioned technical scheme, make the pivot rotate with low rotational speed at reinforced in-process, utilize the baffle box to lead the material that gets into the box through the feed inlet, make the interior material distribution of box even, avoid the material to pile up in same position, influence the working effect of grinding wheel.

Optionally, the stirring mechanism includes connecting rod, third motor and the stirring head that stirs the bottom half material, connecting rod and the coaxial fixed connection of pivot, pivot one end and third motor fixed connection are kept away from to the connecting rod, the main shaft and the stirring head fixed connection of third motor.

Through adopting above-mentioned technical scheme, the main shaft of third motor rotates and drives the stirring head and stir the material of bottom half, breaks up the material of grinding roller compaction and with the material misce bene of grinding roller working path both sides, makes material processing even in the box, improves the processing effect of roller mill.

Optionally, one end of the box body, which is far away from the ground, is fixedly connected with a material guide pipe, the material guide pipe is located in the direction in which the feed port is far away from the ground, the material guide pipe is of a hollow trapezoidal table structure, and the small end face of the material guide pipe is fixedly connected with the box body.

Through adopting above-mentioned technical scheme, the direction of keeping away from ground at the feed inlet sets up the passage, and the passage is hollow trapezoidal platform structure, and the little terminal surface and the box fixed connection of passage utilize the passage increase feeding interview, and it is more convenient when adding the material. Meanwhile, the pressure of the materials at the feed inlet is increased, so that the blanking is smoother and is not easy to block.

Optionally, a reinforcing plate is arranged below the box body, the reinforcing plate is fixedly connected with the plurality of supporting legs respectively, and one end, far away from the ground, of the reinforcing plate is abutted to the box body.

Through adopting above-mentioned technical scheme, utilize the reinforcing plate to carry out the auxiliary stay to the bottom half, the holistic structural strength of reinforcing roller mill improves the security that roller mill used.

Optionally, one end of the grinding wheel, which is far away from the second cross bar, is coaxially and fixedly connected with a disk-shaped brush, and bristles of the disk-shaped brush are abutted to the side wall of the box body.

Through adopting above-mentioned technical scheme, the running roller rotates and drives rather than coaxial fixed connection's disk brush and rotate, utilizes the disk brush to clear up the inner wall of box, clears away the material that adheres to on the sand mixer box inner wall to avoid the material extravagant, resources are saved, and can also guarantee that the mulling is even.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rolling component is hinged with the rotating shaft, the elastic component is fixedly connected between the rolling component and the rotating shaft, and the elastic component is utilized to limit the rotation of the rolling component, so that the rolling component can be turned over in a direction away from the ground when rolling iron blocks mixed in materials and entering the box body, the possibility of damage of the rolling component is reduced, and the normal working effect can be ensured due to the pressure of the elastic component on the rotation of the rolling component;

2. the spiral guide chute is fixedly connected to one end, far away from the ground, of the rotating shaft, the rotating shaft is rotated at a low rotating speed in the feeding process, and materials entering the box body through the feeding hole are guided by the guide chute, so that the materials in the box body are uniformly distributed, and the phenomenon that the materials are accumulated at the same position to influence the working effect of the grinding wheel is avoided;

3. through keeping away from the coaxial fixed connection disk brush of second horizontal pole one end at the grinding wheel, the brush hair of disk brush and the lateral wall butt of box, the grinding wheel rotates and drives the disk brush rotation rather than coaxial fixed connection, utilizes the disk brush to clear up the inner wall of box, clears away the material that adheres to on the mulling machine box inner wall to avoid the material extravagant, resources are saved, and can also guarantee that the mulling is even.

Drawings

Fig. 1 is an overall structural view of the related art;

FIG. 2 is a schematic structural view of a portion of a related art rolling mechanism;

FIG. 3 is a schematic view of the overall structure of the present embodiment;

FIG. 4 is a schematic view showing the structure of a stirring mechanism part of the present embodiment;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Description of reference numerals: 100. a box body; 110. supporting legs; 120. a feed inlet; 130. a material guide pipe; 140. a reinforcing plate; 200. a first motor; 300. a rotating shaft; 400. a rolling mechanism; 410. rolling the component; 411. a first cross bar; 412. a vertical rod; 413. a second cross bar; 414. a second motor; 415. grinding the wheel; 416. a disk-shaped brush; 420. an elastic component; 421. a threaded rod; 422. a nut; 423. a bearing; 424. a spring; 500. a stirring mechanism; 510. a connecting rod; 520. a third motor; 530. a stirring head; 600. a material guide groove.

Detailed Description

The present application is described in further detail below with reference to figures 3-5.

The embodiment of the application discloses grinding wheel formula roller mill of safe type. Referring to fig. 3 and 4, the safe roller type sand mixer comprises a box 100, wherein the box 100 is of a hollow cylinder structure, and four supporting legs 110 are vertically and fixedly connected to one end, close to the ground, of the box 100 at equal intervals in the circumferential direction. The feed inlet 120 is opened at one end of the box body 100 far away from the ground, the feed guide 130 for conveniently adding materials into the box body 100 is fixedly connected at one end of the box body 100 far away from the ground, and the feed guide 130 is communicated with the feed inlet 120. The rotating shaft 300 is coaxially and hermetically connected inside the box body 100 in a rotating manner, the first motor 200 is fixedly connected to one end, close to the ground, of the box body 100, and the spindle of the first motor 200 is coaxially and fixedly connected with the rotating shaft 300. The rotating shaft 300 is hinged to the rolling mechanism 400, one side of the rotating shaft 300, which is far away from the rolling mechanism 400, is fixedly connected with a stirring mechanism 500, and the stirring mechanism 500 is arranged opposite to the rolling mechanism 400. The main shaft of the first motor 200 rotates to drive the rotating shaft 300 to rotate, the rotating shaft 300 rotates to drive the rolling mechanism 400 to perform circular motion by taking the rotating shaft 300 as an axis, and the rolling mechanism 400 rolls the material of which the feeding port 120 falls into the bottom of the box 100 in the motion process. The end of the rotating shaft 300 far from the ground is fixedly connected with a material guiding groove 600, the material guiding groove 600 is spiral, and the end of the material guiding groove 600 far from the ground is located in the direction that the feeding hole 120 is close to the ground. Make pivot 300 rotate with low rotational speed at reinforced in-process, utilize baffle box 600 to lead the material that gets into box 100 through feed inlet 120, make the interior material distribution of box 100 even, avoid the material to pile up in same position, influence the working effect of rolling mechanism 400.

Referring to fig. 4, the guide tube 130 has a hollow trapezoidal table structure, and a small end surface of the guide tube 130 is fixedly connected to the box 100. The material guide pipe 130 is arranged in the direction of the feed port 120 far away from the ground, the material guide pipe 130 is of a hollow trapezoidal table structure, the small end face of the material guide pipe 130 is fixedly connected with the box body 100, the material guide pipe 130 is used for increasing the feeding area, and the material adding is more convenient. Meanwhile, the pressure of the material at the feed inlet 120 is increased, so that the blanking is smoother and is not easy to block.

Referring to fig. 4 and 5, the rolling mechanism 400 includes a rolling assembly 410, the rolling assembly 410 is hinged to the rotating shaft 300, the hinge axis is parallel to the ground, and one end of the rolling assembly 410 away from the ground is elastically connected to the rotating shaft 300 through an elastic assembly 420. Through the hinging of the rolling component 410 and the rotating shaft 300, the rolling component 410 can be reversely turned over away from the ground when rolling iron blocks mixed in materials and entering the box body 100, and the possibility of damage to the rolling component 410 is reduced. The rotation of the rolling component 410 is limited by the elastic component 420 fixedly connected between the rolling component 410 and the rotating shaft 300, and the rolling effect of the rolling component 410 is ensured.

Referring to fig. 4 and 5, the rolling component 410 includes a first cross bar 411, the first cross bar 411 is hinged to the rotating shaft 300, a vertical bar 412 is fixedly connected to one side of the first cross bar 411, which is far away from the rotating shaft 300 and close to the ground, and a second cross bar 413 is fixedly connected to one side of the vertical bar 412, which is far away from the rotating shaft 300 and perpendicular to the first cross bar 411, and the second cross bar 413 is located on one side of the vertical bar 412, which is far away from. The end of the second cross bar 413 away from the vertical bar 412 is coaxially and rotatably connected with a roller 415. The rotating shaft 300 drives the first cross bar 411, the vertical bar 412 and the second cross bar 413 which are fixedly connected together to rotate, so as to drive the rolling wheel 415 to perform circular motion by taking the rotating shaft 300 as an axis, and the rolling wheel 415 rolls materials in the motion process. A second motor 414 is embedded in the second cross bar 413, and a main shaft of the second motor 414 is coaxially and fixedly connected with the roller 415. The rotation of the main shaft of the second motor 414 drives the rolling wheel 415 to rotate, so as to enhance the rolling effect of the rolling wheel 415.

Referring to fig. 4 and 5, a disk-shaped brush 416 is coaxially and fixedly connected to one end of the rolling wheel 415 away from the second cross bar 413, and bristles of the disk-shaped brush 416 abut against the side wall of the box 100. The grinding wheel 415 rotates to drive the disk-shaped brush 416 which is coaxially and fixedly connected with the grinding wheel to rotate, the inner wall of the box body 100 is cleaned by the disk-shaped brush 416, and materials adhered to the inner wall of the sand mixer box body 100 are removed, so that waste of the materials is avoided, resources are saved, and uniform sand mixing can be guaranteed.

Referring to fig. 4 and 5, the elastic assembly 420 includes a threaded rod 421, the threaded rod 421 is fixedly connected to the rotation shaft 300, and the threaded rod 421 is connected to the first cross bar 411 in a direction away from the ground. One end of the threaded rod 421 away from the rotating shaft 300 is inclined to the direction close to the first cross bar 411. Threaded rod 421 rotates and is connected with nut 422, and nut 422 rotates through bearing 423 and is connected with spring 424, and spring 424 is coaxial to be established on threaded rod 421, and spring 424 is located nut 422 and keeps away from the direction of pivot 300. The end of the spring 424 remote from the nut 422 is fixedly connected to the first cross bar 411. The rolling assembly 410 is restrained from rotation by a spring 424. The force applied to the rolling component 410 by the spring 424 can be adjusted by rotating the nut 422, and the force applied to the spring 424 can be adjusted according to the working condition of the rolling wheel 415, so that the adjustment is convenient and quick.

Referring to fig. 4 and 5, the stirring mechanism 500 includes a connecting rod 510, the connecting rod 510 is vertically and fixedly connected to the rotating shaft 300, one end of the connecting rod 510 away from the rotating shaft 300 is fixedly connected to a third motor 520, and a stirring head 530 for stirring the material at the bottom of the box 100 is coaxially and fixedly connected to a main shaft of the third motor 520. The main shaft of the third motor 520 rotates to drive the stirring head 530 to stir the material at the bottom of the box 100, and the material compacted by the roller 415 is scattered and uniformly mixed with the materials at the two sides of the working path of the roller 415, so that the materials in the box 100 are uniformly processed, and the processing effect of the sand mixer is improved.

Referring to fig. 4 and 5, a reinforcing plate 140 is disposed below the casing 100, the reinforcing plate 140 is fixedly connected to each of the four support legs 110, and one end of the reinforcing plate 140, which is far from the ground, abuts against the casing 100. Utilize reinforcing plate 140 to carry out the auxiliary stay to box 100 bottom, strengthen the holistic structural strength of roller mill, improve the security that the roller mill used.

The implementation principle of the roller formula roller mill of this application embodiment of safe type does: when molding sand is manufactured, the first motor 200 is turned on to rotate the rotary shaft 300 at a relatively low rotation speed, and the material is poured into the guide tube 130 and enters the container body 100 through the feed inlet 120. The material is dropped into the material guide chute 600 by gravity after entering the box body 100, and the material is uniformly dispersed to the bottom of the box body 100 during the rotation of the material guide chute 600.

After the blanking is completed, the first motor 200 rotates at a normal speed, the second motor 414 and the third motor 520 are started, the rotating shaft 300 drives the first cross bar 411, the vertical bar 412 and the second cross bar 413 which are fixedly connected together to rotate, so as to drive the rolling wheel 415 to perform circular motion by taking the rotating shaft 300 as an axis, and the rolling wheel 415 rolls the material in the motion process. The rotation of the main shaft of the second motor 414 drives the rolling wheel 415 to rotate, so as to enhance the rolling effect of the rolling wheel 415.

The rolling component 410 is hinged with the rotating shaft 300, so that the rolling component 410 can be turned towards the direction far away from the ground when rolling iron blocks mixed in materials and entering the box body 100, and the possibility of damage to the rolling component 410 is reduced. The rotation of the rolling component 410 is limited by the elastic component 420 fixedly connected between the rolling component 410 and the rotating shaft 300, and the rolling effect of the rolling component 410 is ensured.

The main shaft of the third motor 520 rotates to drive the stirring head 530 to stir the material at the bottom of the box 100, and the material compacted by the roller 415 is scattered and uniformly mixed with the materials at the two sides of the working path of the roller 415, so that the materials in the box 100 are uniformly processed, and the processing effect of the sand mixer is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a roller formula roller mill of safe type which characterized in that: including box (100), first motor (200), pivot (300), rolling mechanism (400) and rabbling mechanism (500), box (100) are hollow cylinder mechanism, the axis of box (100) is perpendicular with ground, box (100) are close to a plurality of supporting legs (110) of the perpendicular fixedly connected with of equal interval of ground one end circumference, ground one end is kept away from to box (100) and feed inlet (120) have been seted up, pivot (300) coaxial seal rotates and connects inside box (100), first motor (200) fixed connection is close to ground one end at box (100), the main shaft and the coaxial fixed connection of pivot (300) of first motor (200), pivot (300) are connected with rolling mechanism (400), rabbling mechanism (500) and pivot (300) fixed connection, rabbling mechanism (500) and rolling mechanism (400) are located the relative both sides of pivot (300) respectively, grinding mechanism (400) includes elastic component (420) and grinds subassembly (410), it is parallel with ground to roll subassembly (410) and pivot (300) articulated and articulated axis, it passes through elastic component (420) and pivot (300) elastic connection to roll subassembly (410) one end of keeping away from ground.

2. A safety roller mill according to claim 1, wherein: roll subassembly (410) including first horizontal pole (411), montant (412), second horizontal pole (413), second motor (414) and running roller (415), first horizontal pole (411) are articulated with pivot (300), first horizontal pole (411) are kept away from one side that pivot (300) one end is close to ground and are connected with montant (412) perpendicular fixed connection, montant (412) are close to one side and the perpendicular fixed connection of second horizontal pole (413) that pivot (300) were kept away from to ground one end, montant (412) one end is kept away from in second horizontal pole (413) and is connected with running roller (415) coaxial rotation, second motor (414) are inlayed and are established inside second horizontal pole (413), the main shaft and the running roller (415) coaxial fixed connection of second motor (414), and ground one end is kept away from in first horizontal pole (411) through elastic component (420) and pivot (300) elastic connection.

3. A safety roller mill according to claim 2, wherein: elastic component (420) includes threaded rod (421), nut (422), bearing (423) and spring (424), threaded rod (421) and pivot (300) fixed connection, threaded rod (421) are located first horizontal pole (411) and keep away from the direction on ground, the one end that pivot (300) were kept away from in threaded rod (421) is to the direction slope that is close to first horizontal pole (411), nut (422) and threaded rod (421) threaded connection, the coaxial fixed connection of inner circle of one end and bearing (423) of pivot (300) are kept away from in nut (422), nut (422) one end and spring (424) fixed connection are kept away from to the outer lane of bearing (423), bearing (423) one end and first horizontal pole (411) fixed connection are kept away from in spring (424).

4. A safety roller mill according to claim 1, wherein: the utility model discloses a feed inlet, including pivot (300), feed inlet (120), feed guide (600) are connected with fixedly, feed guide (600) are kept away from ground one end fixedly in pivot (300), feed guide (600) are the heliciform, feed guide (600) are kept away from ground one end and are located feed inlet (120) direction near ground.

5. A safety roller mill according to claim 1, wherein: rabbling mechanism (500) include connecting rod (510), third motor (520) and carry out stirring head (530) that stir to box (100) bottom material, connecting rod (510) and the coaxial fixed connection of pivot (300), pivot (300) one end and third motor (520) fixed connection are kept away from in connecting rod (510), the main shaft and the stirring head (530) fixed connection of third motor (520).

6. A safety roller mill according to claim 1, wherein: one end, far away from the ground, of the box body (100) is fixedly connected with a material guide pipe (130), the material guide pipe (130) is located in the direction, far away from the ground, of the feeding hole (120), the material guide pipe (130) is of a hollow trapezoidal table structure, and the small end face of the material guide pipe (130) is fixedly connected with the box body (100).

7. A safety roller mill according to claim 1, wherein: the box (100) below is provided with reinforcing plate (140), reinforcing plate (140) respectively with a plurality of supporting legs (110) fixed connection, ground one end and box (100) butt are kept away from to reinforcing plate (140).

8. A safety roller mill according to claim 3, wherein: one end of the rolling wheel (415) far away from the second cross rod (413) is coaxially and fixedly connected with a disk-shaped brush (416), and bristles of the disk-shaped brush (416) are abutted to the side wall of the box body (100).