CN218080259U

CN218080259U - Sand mixer

Info

Publication number: CN218080259U
Application number: CN202222532442.3U
Authority: CN
Inventors: 陈勇; 周显亮; 吴指军; 李会容
Original assignee: Zhejiang Xiaguang Coating Co ltd
Current assignee: Zhejiang Xiaguang Coating Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-20
Anticipated expiration: 2032-09-20

Abstract

The utility model provides a sand mixer, sand mixer includes: the sand mixer comprises a sand mixer body, a stirring mechanism and a driving mechanism; the sand mixer body comprises an upper body and a lower body, a first feeding port is formed in the upper part of the upper body, and a discharging port is formed in the lower part of the lower body; the stirring mechanism is arranged at the bottom of the sand mixer body, and the part of the stirring mechanism arranged in the sand mixer body is lower than the top end of the lower body; the driving mechanism is arranged on one side of the outer portion of the sand mixer body to drive the stirring mechanism to stir materials in the sand mixer body. The utility model discloses will the high-speed rotation of rabbling mechanism is raised the material and is mixed, goes up the body and has increased material motion space, and the rabbling mechanism sets up in roller mill body bottom, has reduced its friction to the material; when the material is stirred at a high speed, the material can be fully raised, the material can be quickly and uniformly stirred without dead angles, and meanwhile, the material is not easy to be bonded to a stirring mechanism; the sand mixer is simple in structure, convenient to operate and high in practicability.

Description

Sand mixer

Technical Field

The utility model belongs to the technical field of make sintering sand equipment, concretely relates to roller mill.

Background

The prior sintered sand production has no special stirring and mixing equipment, and generally adopts a horizontal stirring cylinder for producing dry powder mortar. And the horizontal mixing tank has the defects of large volume, large occupied area, high price and the like, and the operation is time-consuming and labor-consuming and needs regular inspection and maintenance. Conventional vertical agitating unit, the structure is complicated, relies on rabbling mechanism sand to stir, and is great to the wearing and tearing of sand grain, and difficult clearance moreover, if, the roller mill formula roller mill rolls, kneads and has wearing and tearing to the sand grain.

The prior art has at least the following problems:

because the sintered sand has a large specific gravity, the horizontal stirring cylinder is adopted for long mixing time, and the abrasion to the sand is large; conventional vertical agitating unit, the structure is complicated, relies on rabbling mechanism stirring sand grain, still has great wearing and tearing to the sand grain, and has the unable circumstances of stirring in dead angle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a sand mixer.

An aspect of the utility model provides a roller mill. The sand mixer includes: the sand mixer comprises a sand mixer body, a stirring mechanism and a driving mechanism; the sand mixer comprises a sand mixer body and a sand mixer body, wherein the upper part of the upper body is provided with a first feeding port, and the lower part of the lower body is provided with a discharging port; the stirring mechanism is arranged at the bottom of the sand mixer body, and the part of the stirring mechanism arranged in the sand mixer body is lower than the top end of the lower body;

the driving mechanism is arranged on one side of the outer portion of the sand mixer body to drive the stirring mechanism to stir materials in the sand mixer body.

Optionally, the stirring mechanism includes: the stirring shaft, the stirring disc, the stirring paddle and the scraping plate; the first end of the stirring shaft extends into the sand mixer body and is connected with the central area of the stirring disc, and the second end of the stirring shaft extends out of the bottom wall of the sand mixer body and is connected with the driving mechanism; the stirring disc is arranged at the bottom of the sand mixer body; the stirring paddle is arranged above the stirring plate and close to the edge of the stirring plate, and the height of the stirring paddle is lower than the top end of the lower body; the scraper blade is arranged below the stirring disc.

Optionally, the paddle includes: a fixed shaft and a stirring rod; the first end of the fixed shaft is connected with the edge of the upper surface of the stirring disc, the second end of the fixed shaft is provided with a plurality of stirring rods, and the end part of the second end of the fixed shaft is lower than the top end of the lower body.

Optionally, it is a plurality of the puddler is followed the fixed axle is provided with two, two are crisscross the setting of puddler, two adjacent puddlers are in the projection of roller mill body bottom is the V type, each the puddler deviates from the agitator disk.

Optionally, the first end of the scraper blade is obliquely and fixedly arranged on the edge of the stirring disc, and the second end of the scraper blade is attached to the side wall of the sand mixer body.

Optionally, the drive mechanism comprises: the device comprises a motor, a transmission part, a driving wheel and a driven wheel; the control shaft of the motor is connected with the driving wheel; the driven wheel is connected with the second end of the stirring shaft, and the driving wheel is in transmission connection with the driven wheel through the transmission piece.

Optionally, the sand mixer further includes: the upper sealing cover is arranged at the top end of the upper body and is provided with a second feeding port and a dust removal pipeline.

Optionally, the second feeding port is provided with a discharge valve, and the discharge port is provided with a pneumatic valve.

Optionally, the sand mixer further includes: the feeding hopper is arranged at the upper part of the second feeding port; the discharge hopper is arranged below the discharge port and communicated with the discharge port.

Optionally, the upper body is provided with an observation window or a third feeding port.

In the sand mixer provided by the embodiment of the utility model, the sand mixer is provided with the upper body and the lower body, so that a large movement space is provided when materials are mixed; the stirring mechanism is arranged at the bottom of the sand mixer body, the part of the stirring mechanism arranged in the sand mixer body does not exceed the top end of the lower body, the stirring mechanism rotates at a high speed to raise, stir and mix materials, and the stirring mechanism can reduce the friction of the stirring mechanism on sand; when the stirring mechanism stirs at high speed, the materials can be fully raised, so that the materials are not overflowed out of the sand mixer body, the materials are stirred quickly and uniformly,

no dead angle is ensured, and materials are not easy to adhere to the stirring mechanism and are easy to clean; the utility model discloses a roller mill simple structure, convenient operation.

Drawings

Fig. 1 is a left side view of a sand mixer of the present invention;

fig. 2 is a front view of the sand mixer of the present invention.

In the figure:

100. a sand mixer body; 110. an upper body; 111. a first feeding port; 112. an observation window; 120. a lower body; 121. a discharge port; 122. a pneumatic valve; 200. a stirring mechanism; 210. a stirring shaft; 220. a stirring plate; 230. a stirring paddle; 231. a fixed shaft; 232. a stirring rod; 240. a squeegee; 300. a drive mechanism; 310. a motor; 320. a transmission member; 330. a driving wheel; 340. a driven wheel; 400. an upper sealing cover; 410. a second feeding port; 420. a dust removal pipeline; 430. a discharge valve; 500. a feed hopper; 600. a discharge hopper.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention is described in further detail below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 and 2, a sand mixer includes: the sand mixer comprises a sand mixer body 100, a stirring mechanism 200 and a driving mechanism 300; the sand mixer body 100 comprises an upper body 110 and a lower body 120, wherein a first feeding port 111 is arranged at the upper part of the upper body 110, and a discharging port 121 is arranged at the lower part of the lower body 120; the stirring mechanism 200 is arranged at the bottom of the sand mixer body 100, the part of the stirring mechanism 200 arranged in the sand mixer body 100 is lower than the top end of the lower body 120, and the stirring mechanism rotates at a high speed to raise and mix materials; the driving mechanism 300 is arranged on one side of the exterior of the sand mixer body 100 to drive the stirring mechanism 200 to stir materials in the sand mixer body 100.

Specifically, the roller mill can also include a frame, the roller mill body 100 set up in the frame (not shown in the figure), the frame can include supporting leg and supporting seat, the supporting leg can set up 3 or 4, the supporting seat set up in on the supporting leg, the roller mill body set up in on the supporting seat. The upper body 110 and the lower body 120 may be integrally designed or detachably connected; go up body 110 with body 120 has constituted a great accommodation space down, the body outside can be equipped with reinforced structure down, rabbling mechanism 200 set up in sand mixer body 100 bottom is no longer than body 120's height down provides a great space for the material mixes. The working principle of the sand mixer is as follows: when the sand mixer is used, weighed white sand is put into the sand mixer body 100 through the first feeding port 111, toner, a binder and the like are manually put in, after the driving mechanism 300 is powered on, the stirring mechanism 200 is driven to rotate at a high speed according to a set rotating speed to stir, so that sand grains are rotatably mixed in the accommodating space formed by the upper body and the lower body, after the stirring mechanism works for 20-40 seconds, the sand grains can be discharged through the discharge port 121, and the discharging time can be set to be about 25-35 seconds. The driving mechanism 300 may be connected with a control unit, and the control unit controls the rotation speed and the rotation time of the driving mechanism 300, and it can be understood that the sand mixer may also be applied to mixing other sand materials.

In the embodiment, compared with the existing stirring cylinder, the sand mixer has a larger material mixing space, the stirring mechanism rotates at a high speed to raise and mix the material, so that the friction of the stirring mechanism on the material can be effectively reduced (the mixed sand is easy to change color due to the friction), the sand is quickly and uniformly stirred, no dead angle is caused in sand mixing, and the quality of sintered colored sand is not influenced; and the materials are not easy to bond in the stirring mechanism, and the stirring mechanism is easy to clean.

Illustratively, as shown in fig. 1, the stirring mechanism 200 includes: a stirring shaft 210, a stirring disc 220, a stirring paddle 230 and a scraper 240; a first end of the stirring shaft 210 extends into the sand mixer body 100 and is connected with the central area of the stirring disc 220, and a second end of the stirring shaft 210 extends out of the bottom wall of the sand mixer body 100 and is connected with the driving mechanism 300; the stirring disc 220 is arranged at the bottom of the sand mixer body 100; the stirring paddle 230 is arranged above the stirring plate 220 and close to the edge of the stirring plate 220, and the height of the stirring paddle is lower than the top end of the lower body; the scraper 240 is disposed below the agitating plate 220.

Specifically, a protective shell may be disposed at a second end of the stirring shaft 210 extending out of the sand mixer body 100, and is used for protecting the stirring shaft 210. The stirring rake 230 with the scraper blade 240 all set up in the agitator disk 220 constitutes turbine formula agitator, the scraper blade 240 set up in the agitator disk 220 below. The diameter range of the stirring disc 220 is 1/3-3/4 of the bottom diameter of the sand mixer.

In the embodiment, when the stirring shaft of the stirring mechanism is driven by the driving mechanism to rotate at a high speed, the stirring disc rotates at a high speed, and sand grains on the stirring disc are raised under the action of centrifugal force, so that the sand grains are mixed in the accommodating space formed by the upper body and the lower body, and stirring without dead angles is realized; the stirring paddle plays a role in assisting in stirring sand grains, so that sand grains are further prevented from being bonded, and meanwhile, the stirring paddle and the like are not easy to bond the sand grains and are easy to clean; the scraper blade can continuously clear up the inner wall of roller mill body, prevents to appear adnexed phenomenon, the scraper blade also has the effect of stirring, guarantees roller mill body bottom obtains intensive mixing equally. The position of the discharge port can be adjusted according to the actual condition, and the discharge port can be ensured not to be blocked when being arranged near the scraper blade.

Illustratively, as shown in fig. 1, the paddle 230 includes: a fixed shaft 231 and a stirring rod 232; the first end of the fixing shaft 231 is connected to the edge of the upper surface of the stirring plate 220, the second end of the fixing shaft 231 is provided with a plurality of stirring rods 232, and the end of the second end of the fixing shaft 231 is lower than the top end of the lower body 120.

Specifically, the stirring paddle 230 may be disposed at intervals along the edge of the upper surface of the stirring plate 220. The upper body expands the accommodating space of the sand mixer, and the stirring disc rotates at a high speed to raise sand grains, so that the sand grains are fully mixed in the accommodating space and cannot overflow the sand mixer; the stirring rake only set up in the body down can reduce the friction of puddler to the sand material, further prevents the material bonding, and this roller mill can be fully with material stirring, simultaneously, the difficult bonding material of stirring rake etc. is easily cleared up.

For example, as shown in fig. 1, two rows of the stirring rods 232 are arranged along the fixing shaft 231, the two rows of the stirring rods 232 are arranged in a staggered manner, the projection of two adjacent stirring rods 232 on the bottom of the sand mixer body is in a V shape, and each stirring rod 232 deviates from the stirring disc 220.

Specifically, two adjacent puddlers 232 are in the projection contained angle less than or equal to 90 of roller mill body 100 bottom, puddler 232's first end set firmly in fixed axle 231, puddler 232's second end is pressed close to roller mill body 100 inner wall. In another embodiment, the stirring rod 232 may be disposed along the circumferential direction of the fixing shaft 231, and may be disposed in multiple layers along the axial direction of the fixing shaft 231. In this embodiment, set up a plurality of puddlers and can increase rabbling mechanism's stirring efficiency, two crisscross settings of puddler can strengthen stirring effect for sand material intensive mixing, the puddler can be cylinder formula pole, can reduce the wearing and tearing to the sand grain.

Illustratively, as shown in fig. 1, a first end of the scraping plate 240 is obliquely and fixedly arranged at the edge of the stirring plate 220, and a second end of the scraping plate 240 is attached to the side wall of the sand mixer body 100.

Specifically, the scraping plates 240 may be provided in plurality at intervals along the circumferential edge of the stirring plate 220. In this embodiment, the scraping plate 240 can continuously clean the inner wall of the sand mixer body 100; the inclined scraper can reduce resistance, and is favorable for mixing sand grains and cleaning the inner wall of the sand mixer body.

Illustratively, as shown in fig. 1, the driving mechanism 300 includes: a motor 310, a transmission member 320, a driving wheel 330 and a driven wheel 340; the control shaft of the motor 310 is connected with the driving wheel 330; the driven wheel 340 is connected with the second end of the stirring shaft 210, and the driving wheel 330 and the driven wheel 340 are in transmission connection through the transmission member 320.

Specifically, the motor 310 may be fixed to the support leg through a bracket, a casing may be disposed outside the motor 310 to protect the motor 310, and the transmission member 320 may be a belt or a chain. In this embodiment, the driving mechanism has a simple structure and is convenient to drive.

Illustratively, as shown in fig. 1, the sand mixer further includes: the upper cover 400 is arranged at the top end of the upper body 110, and the upper cover 400 is provided with a second feeding port 410 and a dust removing pipeline 420.

Specifically, the upper cover 400 may be connected to the top end of the upper body 110 by a hinge, or the upper cover 400 may be detachably connected to the upper body 110. The dust removal pipe 420 may be disposed on the top of the upper cover 400, and a dust removal device or the like may be connected to the dust removal pipe 420. When the sand mixer works, white sand is fed into the sand mixer from the first feeding port 111, and toner and adhesive are fed into the sand mixer from the second feeding port 410. In this embodiment, white sand and toner, binder are put into respectively through the dog-house that corresponds sand mixer improves the efficiency of putting into the material, when going up the closing cap also can avoid the stirring, the material spills over, and during the stirring, the material is raised can be discharged through dust removal pipeline.

Illustratively, as shown in fig. 1, the second feeding port 410 is provided with a discharge valve 430, and the discharge port 121 is provided with a pneumatic valve 122.

Specifically, before feeding, the discharge valve 430 is opened, and corresponding materials are put in, for example, toner and binder are put in from the second feeding port 410, and white sand is put in from the first feeding port 111, so that in actual use, adjustment can be performed according to actual conditions, and the application range of the sand mixer of the utility model is enlarged; after the white sand, the toner and the binder are mixed in the sand mixer, the pneumatic valve 122 is opened to discharge the mixed sand. In this embodiment, through discharge valve and pneumatic valve control material business turn over, if discharge valve and pneumatic valve are the connection control unit respectively, reduced manual operation for the roller mill uses more conveniently.

Illustratively, as shown in fig. 2, the sand mixer further includes: a feed hopper 500 and an emptying hopper 600, wherein the feed hopper 500 is arranged at the upper part of the second feeding port 410; the discharging hopper 600 is disposed below the discharging port 121 and communicated with the discharging port 121.

Specifically, the feeder hopper helps the material to drop into the roller mill, and the discharge hopper helps to be connected with subsequent processing equipment. The feed hopper and the discharge hopper are convenient for feeding and discharging materials.

Illustratively, as shown in fig. 1, the upper body 110 is provided with a viewing window 112 and/or a third dispensing opening.

Specifically, the specific structure of the observation window is not described herein any more, and can be set according to practice.

In this embodiment, can be according to actual need go up the body and further set up observation window and/or third dog-house, when being provided with the observation window, conveniently observe the material mixing condition, if the material is not intensive mixing, can stir the material at the sand mixer that continues to operate.

It is to be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principles of the present invention, and the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A sand mixer, characterized in that it comprises: the sand mixer comprises a sand mixer body, a stirring mechanism and a driving mechanism;

the sand mixer body comprises an upper body and a lower body, a first feeding port is formed in the upper part of the upper body, and a discharging port is formed in the lower part of the lower body;

the stirring mechanism is arranged at the bottom of the sand mixer body, and the part of the stirring mechanism arranged in the sand mixer body is lower than the top end of the lower body;

2. A sand mixer according to claim 1, wherein the stirring mechanism comprises: the stirring device comprises a stirring shaft, a stirring disc, a stirring paddle and a scraping plate;

the first end of the stirring shaft extends into the sand mixer body to be connected with the central area of the stirring disc, and the second end of the stirring shaft extends out of the bottom wall of the sand mixer body to be connected with the driving mechanism;

the stirring disc is arranged at the bottom of the sand mixer body; the stirring paddle is arranged above the stirring plate and close to the edge of the stirring plate, and the height of the stirring paddle is lower than the top end of the lower body;

the scraper blade set up in the agitator disk below.

3. A roller mill according to claim 2, wherein the paddle comprises: a fixed shaft and a stirring rod; the first end of the fixed shaft is connected with the edge of the upper surface of the stirring disc, the second end of the fixed shaft is provided with a plurality of stirring rods, and the end part of the second end of the fixed shaft is lower than the top end of the lower body.

4. The roller mill according to claim 3, wherein the stirring rods are arranged in two rows along the fixed shaft, the two rows of stirring rods are arranged in a staggered manner, the projections of two adjacent stirring rods on the bottom of the roller mill body are in a V shape, and each stirring rod deviates from the stirring disc.

5. A sand mixer according to any one of claims 2 to 4, wherein a first end of the scraping plate is obliquely and fixedly arranged on the edge of the stirring disc, and a second end of the scraping plate is attached to the side wall of the sand mixer body.

6. A roller mill according to any of claims 2 to 4, wherein the drive mechanism comprises: the device comprises a motor, a transmission part, a driving wheel and a driven wheel; the control shaft of the motor is connected with the driving wheel; the driven wheel is connected with the second end of the stirring shaft, and the driving wheel is in transmission connection with the driven wheel through the transmission piece.

7. A roller mill according to any of claims 1 to 4, characterized in that the roller mill further comprises: the upper sealing cover is arranged at the top end of the upper body and is provided with a second feeding port and a dust removal pipeline.

8. A roller mill according to claim 7, characterized in that the second feeding port is provided with a discharge valve and the discharge port is provided with a pneumatic valve.

9. A roller mill according to claim 8, further comprising: the feeding hopper is arranged at the upper part of the second feeding opening; the discharge hopper is arranged below the discharge port and communicated with the discharge port.

10. A roller mill according to any of claims 1 to 4 wherein the upper body is provided with a viewing window and/or a third feed opening.