CN214353300U

CN214353300U - Concrete mixing device is used in laboratory

Info

Publication number: CN214353300U
Application number: CN202023339130.8U
Authority: CN
Inventors: 崔欣
Original assignee: Shanghai Zhaishi Concrete Co ltd
Current assignee: Shanghai Zhaishi Concrete Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The application relates to the technical field of concrete experimental equipment, especially, relate to a concrete mixing device is used in laboratory. It includes the agitator, sets up in the driving motor of the top of agitator and sets up the stirring subassembly on driving motor, the stirring subassembly is including setting up puddler on driving motor and a plurality of first stirring piece that set up in the puddler and keep away from driving motor's one end, just the lower terminal surface of first stirring piece and the barrel head butt of agitator. This application has the effect that improves the stirring degree to the concrete.

Description

Concrete mixing device is used in laboratory

Technical Field

The application relates to the technical field of concrete experimental equipment, especially, relate to a concrete mixing device is used in laboratory.

Background

The concrete consists of cement, gravel, water and related additives, is a mixed material widely applied to projects such as buildings, bridges, subways, tunnels, mine supports and the like, and needs to be subjected to related experiments in order to research the performance of the concrete, a small amount of concrete needs to be stirred in the experiments, and then the stirred concrete is tested.

The patent document with the existing Chinese patent publication No. CN205325983U discloses a concrete stirring device for experiments, which mainly comprises a stirring barrel, a stirring motor arranged above the stirring barrel, a driving shaft arranged on the stirring motor, a driven shaft arranged on the driving shaft and a stirring paddle arranged on the driven shaft. When concrete needs to be stirred, the driving shaft is driven to rotate by the driving motor, the driving shaft drives the driven shaft to rotate, and the driven shaft drives the stirring paddle to rotate, so that the stirring range of the concrete is enlarged.

In view of the above-mentioned related art, the inventor believes that, because the stirring paddle has a certain distance from the bottom of the stirring barrel, when the concrete in the stirring barrel is stirred, it is difficult to stir the bottom of the stirring barrel, and the experimental concrete stirring device has the defect of uneven stirring.

SUMMERY OF THE UTILITY MODEL

In order to improve the stirring degree to the concrete, this application provides a concrete mixing device is used in laboratory.

The application provides a pair of concrete mixing device is used in laboratory adopts following technical scheme:

the utility model provides a concrete mixing device is used in laboratory, includes the agitator, sets up in the driving motor of the top of agitator and sets up the stirring subassembly on driving motor, the stirring subassembly is including setting up puddler on driving motor and a plurality of first stirring piece that set up in the one end that driving motor was kept away from to the puddler, just the lower terminal surface of first stirring piece and the barrel head butt of agitator.

Through adopting above-mentioned technical scheme, when needs stir the concrete in the agitator, driving motor drive puddler rotation, and then impel first stirring piece to be circumferential motion around the axis of puddler, and then stir the concrete in the agitator. In addition, because the lower terminal surface of first stirring piece and the barrel head butt of agitator for in the stirring process, first stirring piece scrapes the wall to the barrel head of agitator all the time, and then reduces the possibility of concrete deposit in the barrel head of agitator. And the concrete above the first stirring sheet gradually sinks under the action of gravity, and is stirred uniformly under the stirring action of the final first stirring sheet.

Optionally, the side wall of the first stirring blade is provided with a first guide surface, and the first guide surface is located on the stirring surface of the first stirring blade.

Through adopting above-mentioned technical scheme, because the stirring face of first stirring piece is provided with first spigot surface for a guiding force is given to the concrete that is scraped off by first stirring piece to first spigot surface, and this guiding force forces the concrete that is scraped off by first stirring piece to move upwards, and then reduces the possibility that the concrete deposites in the barrel head of agitator again.

Optionally, the stirring assembly further comprises a second stirring sheet arranged at one end, away from the stirring rod, of the first stirring sheet, and one side, away from the stirring rod, of the second stirring sheet is abutted to the wall of the stirring barrel.

Through adopting above-mentioned technical scheme, under the drive of first stirring piece, the second stirring piece is circumferential motion around the axis of puddler, and then stirs the concrete that is located first stirring piece top, further improves the stirring degree of consistency to the concrete. In addition, because the one side of keeping away from the puddler of second stirring piece is with the bucket wall butt of agitator for in the stirring process, the wall is scraped to the bucket wall of agitator all the time to the second stirring piece, and then reduces the possibility of concrete deposit in the bucket wall of agitator.

Optionally, a second guide surface is arranged on the side wall of the second stirring sheet, and the second guide surface is located on the stirring surface of the second stirring sheet.

Through adopting above-mentioned technical scheme, because the stirring surface of second stirring piece is provided with the second spigot surface for the guiding force of concrete that is scraped off by the second stirring piece is given to the second spigot surface, and this guiding force forces the concrete that is scraped off by the second stirring piece to remove to the puddler, and then reduces the possibility that the concrete is depositional in the barrel head of agitator again.

Optionally, the stirring assembly further comprises a connecting rod arranged on the second stirring sheet, and the connecting rod is arranged on one side of the second stirring sheet close to the stirring rod.

Through adopting above-mentioned technical scheme, because the connecting rod sets up in one side that the second stirring piece is close to the puddler for the connecting rod stirs the concrete between second stirring piece and the puddler, further improves the stirring degree of consistency to the concrete.

Optionally, the stirring assembly further comprises a stirring paddle arranged on the connecting rod, and the stirring rod is located at one end, close to the stirring rod, of the connecting rod.

Through adopting above-mentioned technical scheme, the puddler is located the one end that the connecting rod is close to the puddler for the stirring rake further stirs the concrete between second stirring piece and the puddler, further improves the stirring degree of consistency to the concrete.

Optionally, the stirring rake includes the connecting portion of being connected with the connecting rod can be dismantled, set up in the first stirring portion of the up end of connecting portion and set up in the second stirring portion of the lower terminal surface of connecting portion.

Through adopting above-mentioned technical scheme, because connecting portion can dismantle with the connecting rod and be connected for when needs wash the stirring rake, can directly dismantle connecting portion and connecting rod, make the washing to the stirring rake more simple and convenient. In addition, the first stirring part is arranged on the upper end face of the connecting part, so that the first stirring part can stir the concrete above the connecting rod; the second stirring portion is arranged on the lower end face of the connecting portion, so that the second stirring portion can stir concrete located below the connecting rod, and the stirring uniformity of the concrete is further improved.

Optionally, a limiting groove for the connection portion to be inserted is formed in the upper end face of the connecting rod, a plurality of positioning bolts are arranged on the connecting rod, a plurality of positioning holes are formed in the groove wall of the limiting groove, and the positioning bolts penetrate through the positioning holes and are fixedly connected with the connection portion.

Through adopting above-mentioned technical scheme, positioning bolt wears to establish the locating hole and with connecting portion fixed connection for positioning bolt restricts the removal of connecting portion, and then reduces the stirring rake and breaks away from the possibility of connecting rod, improves the stirring stability of stirring rake to the concrete indirectly.

Optionally, the stirring rake is still including setting up in the location portion of one side that the puddler was kept away from to connecting portion, the constant head tank that supplies location portion to peg graft is seted up to the up end of connecting rod, constant head tank and spacing groove communicate each other, just the groove width of constant head tank is greater than the groove width of spacing groove.

Through adopting above-mentioned technical scheme, the removal of the cell wall restriction connecting portion of spacing groove, the removal of cell wall restriction location portion of constant head tank further reduces the stirring rake and breaks away from the possibility of connecting rod, further improves the stirring stability of stirring rake to the concrete.

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

1. in the stirring process, the first stirring sheet always scrapes the wall of the bottom of the stirring barrel, the concrete above the first stirring sheet gradually sinks under the action of gravity, and the concrete is stirred uniformly under the stirring action of the first stirring sheet;

2. in the stirring process, the second stirring sheet always scrapes the wall of the stirring barrel, so that the possibility of concrete depositing on the wall of the stirring barrel is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a concrete mixing device for a laboratory according to an embodiment of the present application.

Fig. 2 is a schematic partial exploded view of a concrete mixing device for a laboratory according to an embodiment of the present application.

Fig. 3 is an exploded schematic view of the stirring assembly shown in fig. 2.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Description of reference numerals: 1. a base; 2. a stirring barrel; 3. a support bar; 4. connecting blocks; 5. a drive motor; 6. a stirring assembly; 7. connecting holes; 8. adjusting the bolt; 9. an adjustment hole; 10. a stirring rod; 11. a first stirring sheet; 12. a second stirring sheet; 13. a connecting rod; 14. a stirring paddle; 15. a first guide surface; 16. a second guide surface; 17. a connecting portion; 18. a positioning part; 19. a first stirring section; 20. a second stirring section; 21. a limiting groove; 22. positioning a groove; 23. positioning the bolt; 24. and (7) positioning the holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete mixing device is used in laboratory. Referring to fig. 1 and 2, concrete mixing device is used in laboratory includes base 1, places agitator 2 on base 1, welds bracing piece 3 in base 1's up end, slides and connects connecting block 4 on bracing piece 3, through bolted fixation in the driving motor 5 of the lateral wall of connecting block 4 and set up stirring subassembly 6 on driving motor 5.

Connecting hole 7 has been seted up in the up end of connecting block 4 through, and connecting hole 7 is worn to establish by bracing piece 3 and connecting block 4 fixed connection. Specifically, the connecting block 4 is provided with an adjusting bolt 8, the hole wall of the connecting hole 7 is penetrated and provided with an adjusting hole 9, and the adjusting bolt 8 penetrates through the connecting hole 7 and is in threaded connection with the connecting block 4.

When the height of connecting block 4 needs to be adjusted, control connecting block 4 slides on bracing piece 3, when connecting block 4 slides to the assigned position, wear to establish connecting hole 7 with adjusting bolt 8 and with bracing piece 3's outer peripheral face butt, and then restrict the removal of connecting block 4, make the regulation to driving motor 5's position more simple and convenient.

It should be noted that, in this embodiment, the cross section of the support rod 3 is square, so that the hole wall of the connection hole 7 limits the rotation of the support rod 3, and indirectly improves the support stability of the support rod 3 for the connection block 4. In addition, the driving motor 5 is located right above the stirring barrel 2, so that when the stirring assembly 6 needs to be placed in the stirring barrel 2, the control can be directly carried out by adjusting the position of the connecting block 4.

Referring to fig. 2 and 3, the stirring assembly 6 includes a stirring rod 10 disposed on the driving motor 5, a plurality of first stirring blades 11 disposed on a connecting rod 13, a second stirring blade 12 disposed on the first stirring blade 11, a connecting rod 13 disposed on the second stirring blade 12, and a stirring paddle 14 disposed on the connecting rod 13.

In the present embodiment, the stirring rod 10 is screwed to the output shaft of the driving motor 5, and the first stirring blades 11 are welded to one end of the stirring rod 10 away from the driving motor 5, for example, six first stirring blades 11 are arranged in a central symmetry manner with the axis of the stirring rod 10 as the center.

In addition, the lower end surface of the first stirring blade 11 abuts against the bottom of the stirring barrel 2, and the stirring surface of the first stirring blade 11 is provided with a first guide surface 15, specifically, the first guide surface 15 gradually moves away from the stirring surface of the first stirring blade 11 in the direction away from the bottom of the stirring barrel 2.

In the stirring process, the first stirring blade 11 always scrapes the wall of the bottom of the stirring barrel 2, so that the possibility of concrete depositing on the bottom of the stirring barrel 2 is reduced. The first guide surface 15 provides a guiding force to the concrete scraped by the first stirring blade 11, and the guiding force forces the concrete scraped by the first stirring blade 11 to move upwards, thereby reducing the possibility that the concrete is deposited on the bottom of the stirring barrel 2 again.

In this embodiment, the mixing surface is a surface for mixing the concrete first during the mixing process.

Referring to fig. 3, a second stirring sheet 12 is disposed on an upper end surface of each first stirring sheet 11, and the second stirring sheet 12 is integrally formed at an end of the first stirring sheet 11 away from the stirring rod 10.

In addition, one side of the second stirring blade 12 far away from the stirring rod 10 is abutted against the barrel wall of the stirring barrel 2, and a second guide surface 16 is arranged on the stirring surface of the second stirring blade 12. Specifically, the second guide surface 16 gradually moves away from the stirring surface of the second stirring blade 12 in a direction away from the wall of the stirring barrel 2.

In the stirring process, the second stirring blade 12 always scrapes the wall of the stirring barrel 2, thereby reducing the possibility of concrete depositing on the wall of the stirring barrel 2. The second guide surface 16 gives the concrete scraped by the second stirring blade 12 a guiding force, and the guiding force forces the concrete scraped by the second stirring blade 12 to move towards the stirring rod 10, thereby reducing the possibility of the concrete depositing on the wall of the stirring barrel 2 again.

Referring to fig. 3 and 4, a connecting rod 13 is integrally formed on one side of each second stirring blade 12 close to the stirring rod 10, and a stirring paddle 14 is disposed at one end of each connecting rod 13 far from the second stirring blade 12. In the stirring process, the connecting rod 13 and the stirring paddle 14 stir the concrete between the second stirring sheet 12 and the stirring rod 10, so that the stirring uniformity of the concrete is further improved.

The paddle 14 includes a connecting portion 17 detachably connected to the connecting rod 13, a positioning portion 18 integrally formed on a side of the connecting portion 17 away from the stirring rod 10, a first stirring portion 19 integrally formed on an upper end surface of the connecting portion 17, and a second stirring portion 20 integrally formed on a lower end surface of the connecting portion 17.

During the mixing process, the first mixing unit 19 mixes the concrete located above the connecting rod 13, and the second mixing unit 20 mixes the concrete located below the connecting rod 13, thereby further improving the uniformity of mixing the concrete.

The upper end face of the connecting rod 13 is provided with a limiting groove 21 and a positioning groove 22 communicated with the limiting groove 21, and the groove width of the positioning groove 22 is larger than that of the limiting groove 21. The connecting part 17 is inserted in the limiting groove 21, and the positioning part 18 is inserted in the positioning groove 22, so that the groove wall of the limiting groove 21 limits the movement of the connecting part 17, the groove wall of the positioning groove 22 limits the movement of the positioning part 18, the possibility that the stirring paddle 14 is separated from the connecting rod 13 is reduced, and the stirring stability of the stirring paddle 14 to concrete is indirectly improved.

In addition, a plurality of positioning bolts 23 are arranged on the connecting rod 13, in this embodiment, the cross section of the connecting rod 13 is square, four positioning bolts 23 are arranged, and four positioning bolts 23 are respectively arranged on two opposite side walls of the connecting rod 13. I.e. each side wall is provided with two positioning bolts 23.

The wall of the limiting groove 21 is provided with a plurality of positioning holes 24, for example, four positioning holes 24 correspond to four positioning bolts 23 one by one. The positioning bolt 23 penetrates through the positioning hole 24 and is in threaded connection with the connecting portion 17, so that the positioning bolt 23 further limits the movement of the connecting portion 17, the possibility that the stirring paddle 14 is separated from the connecting rod 13 is further reduced, and the stirring stability of the stirring paddle 14 to concrete is indirectly improved.

The concrete mixing device is used in laboratory's implementation principle does in this application embodiment:

when concrete needs to be stirred, the first stirring blade 11 scrapes the wall of the bottom of the stirring barrel 2, and the concrete scraped by the first stirring blade 11 is forced to move upwards through the first guide surface 15. The second stirring blade 12 scrapes the wall of the stirring barrel 2, and the concrete scraped by the second stirring blade 12 is forced to move toward the stirring rod 10 by the second guide surface 16.

And connecting rod 13 and stirring rake 14 stir the concrete that is located between second stirring piece 12 and puddler 10, and then improve the stirring degree of consistency to the concrete.

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 concrete mixing device is used in laboratory which characterized in that: including agitator (2), set up in driving motor (5) of the top of agitator (2) and set up stirring subassembly (6) on driving motor (5), stirring subassembly (6) are including setting up puddler (10) on driving motor (5) and a plurality of first stirring piece (11) that set up in puddler (10) and keep away from the one end of driving motor (5), just the lower terminal surface of first stirring piece (11) and the barrel head butt of agitator (2).

2. The concrete mixing apparatus for the laboratory according to claim 1, wherein: the side wall of the first stirring sheet (11) is provided with a first guide surface (15), and the first guide surface (15) is positioned on the stirring surface of the first stirring sheet (11).

3. The concrete mixing apparatus for the laboratory according to claim 1, wherein: the stirring assembly (6) further comprises a second stirring sheet (12) which is arranged at one end, far away from the stirring rod (10), of the first stirring sheet (11), and one side, far away from the stirring rod (10), of the second stirring sheet (12) is abutted to the wall of the stirring barrel (2).

4. The concrete mixing apparatus for the laboratory according to claim 3, wherein: and a second guide surface (16) is arranged on the side wall of the second stirring sheet (12), and the second guide surface (16) is positioned on the stirring surface of the second stirring sheet (12).

5. The concrete mixing apparatus for the laboratory according to claim 3, wherein: the stirring assembly (6) further comprises a connecting rod (13) arranged on the second stirring sheet (12), and the connecting rod (13) is arranged on one side, close to the stirring rod (10), of the second stirring sheet (12).

6. The concrete mixing apparatus for the laboratory according to claim 5, wherein: stirring subassembly (6) are still including setting up stirring rake (14) on connecting rod (13), just puddler (10) are located connecting rod (13) and are close to the one end of puddler (10).

7. The concrete mixing apparatus for the laboratory according to claim 6, wherein: the stirring paddle (14) comprises a connecting portion (17) detachably connected with the connecting rod (13), a first stirring portion (19) arranged on the upper end face of the connecting portion (17) and a second stirring portion (20) arranged on the lower end face of the connecting portion (17).

8. The concrete mixing apparatus for the laboratory according to claim 7, wherein: the upper end face of the connecting rod (13) is provided with a limiting groove (21) for the connection of the connecting part (17), the connecting rod (13) is provided with a plurality of positioning bolts (23), the groove wall of the limiting groove (21) is provided with a plurality of positioning holes (24), and the positioning bolts (23) penetrate through the positioning holes (24) and are fixedly connected with the connecting part (17).

9. The concrete mixing apparatus for the laboratory according to claim 8, wherein: stirring rake (14) are still including setting up in location portion (18) of one side of keeping away from puddler (10) in connecting portion (17), constant head tank (22) that supply location portion (18) to peg graft are seted up to the up end of connecting rod (13), constant head tank (22) and spacing groove (21) communicate each other, just the groove width of constant head tank (22) is greater than the groove width of spacing groove (21).