CN213226938U - Concrete mixer - Google Patents

Abstract

The application relates to the field of concrete production equipment, in particular to a concrete stirrer, which comprises a stirring barrel placed on the ground and a stirring assembly used for stirring powder in the stirring barrel, wherein a barrel cover is connected to the stirring barrel, the barrel cover comprises a connecting cover and a hinged cover hinged to the connecting cover, a positioning piece for connecting the connecting cover to the barrel cover is arranged on the connecting cover, the positioning piece comprises a fastening bolt, a through hole for the fastening bolt to pass through is formed in the connecting cover, and a first threaded hole in threaded connection with the fastening bolt is formed in the upper end of the stirring barrel; the hinged cover is provided with a positioning component which connects the hinged cover to the stirring barrel. This application is through setting up the bung on the agitator top, and is sealed with agitator upper end opening part, reduces the powder and raises from agitator upper end opening part at the stirring in-process, reduces the influence that causes to the operating personnel health on every side.

Description

Concrete mixer

Technical Field

The application relates to the field of concrete production equipment, in particular to a concrete stirrer.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregates into a whole by cementing materials; the term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing the cement concrete and water according to a certain proportion and stirring, and is widely applied to civil engineering; the concrete mixer is a machine for mixing and stirring cement, gravel aggregate and water into a concrete mixture.

The patent of chinese utility model with the publication number of grant CN104647597A discloses a concrete mixer, including driving motor, puddler, the puddler passes through the gear and is connected with driving motor, is equipped with the stirring leaf on the puddler, still includes agitator and elevating gear, be equipped with sliding groove and support frame on the agitator, elevating gear comprises gear, rack and handle, the gear articulates on the support frame, the lower extreme of rack is installed in sliding groove, and the upper end of rack has consolidated driving motor, the handle links firmly on the gear.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the upper end of the stirring barrel is completely opened, and at the initial stirring stage, the powder materials such as cement, gravel aggregate and the like are not completely wetted by water, so that in the stirring process, the powder materials such as cement, gravel aggregate and the like which are not wetted can fly up along with the rotation of the stirring blades, the dust raising phenomenon is generated, and the health of surrounding operators is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the powder was raised from the agitator upper end in the stirring process, this application provides a concrete mixer.

The application provides a concrete mixer adopts following technical scheme:

a concrete stirrer comprises a stirring barrel placed on the ground and a stirring assembly used for stirring powder in the stirring barrel, wherein a barrel cover is connected to the stirring barrel, the barrel cover comprises a connecting cover and a hinged cover hinged to the connecting cover, a positioning piece for connecting the connecting cover to the barrel cover is arranged on the connecting cover, the positioning piece comprises a fastening bolt, a through hole for the fastening bolt to pass through is formed in the connecting cover, and a first threaded hole in threaded connection with the fastening bolt is formed in the upper end of the stirring barrel; the hinged cover is provided with a positioning component which connects the hinged cover to the stirring barrel.

Through adopting above-mentioned technical scheme, set up the bung on the agitator top, it is sealed with agitator upper end opening part, reduce the powder and raise from agitator upper end opening part at the stirring in-process, reduce the influence that causes the operating personnel health on every side. And the connecting cover is detachably connected to the stirring barrel through a fastening bolt, and the hinged cover is connected to the stirring barrel through a positioning assembly.

Preferably, the inner side wall of the hinged cover is in contact with the outer side wall of the stirring barrel, the positioning assembly comprises a positioning block and a compression spring, the outer side wall of the stirring barrel is provided with a positioning groove, the positioning block is connected in the positioning groove in a sliding manner, one end of the compression spring is connected with the bottom of the positioning groove, the other end of the compression spring is connected with the positioning block, the inner side wall of the hinged cover is provided with an insertion groove which is in insertion fit with the positioning block, one end of the positioning block, which is far away from the bottom of the positioning groove, is provided with a guide inclined plane, and; the positioning block and the positioning groove are provided with limiting components for preventing the positioning block from falling off the positioning groove; and the hinge cover is provided with a resetting component for releasing the positioning block from the insertion groove.

By adopting the technical scheme, when the hinged cover is closed, the hinged cover is turned downwards, so that the inner side wall of the hinged cover is contacted with the outer side wall of the stirring barrel, and in the process of turning downwards, the inner side wall of the hinged cover is firstly contacted with the guide inclined plane, so that the guide inclined plane is subjected to component force towards the bottom direction of the positioning groove, the positioning block moves towards the direction close to the bottom of the positioning groove until the positioning block completely enters the positioning groove, then the hinged cover continuously turns downwards to align the inserting groove with the positioning groove, at the moment, the positioning block stretches out of the positioning groove again to be inserted and matched with the inserting groove under the elastic acting force of the compression spring, namely the hinge cover is connected with the outer side wall of the stirring barrel, has the effect of enhancing the connection strength between the hinge cover and the stirring barrel, further reduce the powder to a certain extent and take place from the condition that the upper end opening part of agitator was raised in the stirring process. When the hinged cover needs to be opened, the positioning block is separated from the insertion groove through the reset assembly, and then the hinged cover is turned upwards.

Preferably, the limiting assembly comprises a first baffle and a second baffle, the first baffle is arranged at one end, away from the bottom of the positioning groove, the second baffle is arranged at one end, close to the bottom of the positioning groove, of the positioning block, and the second baffle is connected between the first baffle and the bottom of the positioning groove in a sliding mode.

Through adopting above-mentioned technical scheme, the second baffle on the locating piece slides and connects between first baffle and constant head tank bottom, can prevent effectively that the locating piece from deviating from the constant head tank, guarantees the locating piece and can contact with the guide inclined plane at the in-process of articulated lid upset, and then guarantees the inserting groove grafting cooperation of locating piece and articulated lid.

Preferably, the reset assembly includes reset block and threaded rod, the articulated groove of seting up with the inserting groove intercommunication that covers, the reset block slides and connects in the groove that resets, the articulated second screw hole of seting up with the groove intercommunication that resets that covers, threaded rod and second screw hole screw-thread fit, threaded rod one end is connected with the reset block, the other end stretches out the articulated lid and is connected with operating handle.

Through adopting above-mentioned technical scheme, when needs are opened the hinged cover, rotate operating handle and drive the threaded rod and rotate to make the threaded rod take place the displacement along the screw hole screw thread, make the threaded rod drive the reset block and remove to the direction that is close to the locating piece, and deviate from the inserting groove with the locating piece, it can to open the hinged cover again.

Preferably, the stirring assembly comprises a stirring motor and a stirring shaft, the stirring motor is connected to the connecting cover, a first gear is coaxially and fixedly connected to an output shaft of the stirring motor, the stirring shaft extends upwards out of the connecting cover, a second gear is coaxially and fixedly connected to one end of the stirring shaft, which extends out of the connecting cover, and the first gear is meshed with the second gear; the stirring shaft is connected with stirring blades.

Through adopting above-mentioned technical scheme, during the stirring concrete, drive agitator motor drives first gear revolve, and first gear revolve drives second gear revolve, and second gear revolve and drive the (mixing) shaft and rotate, and the (mixing) shaft rotates and drives the stirring leaf and rotate, and the stirring of concrete is more even when the stirring leaf rotates, to a certain extent, has the effect of accelerating concrete mixing speed.

Preferably, the discharge gate has been seted up to the agitator bottom, be connected with the discharging pipe on the discharge gate, be provided with the baffle that is used for controlling the discharging pipe switch on the discharging pipe, be provided with on the discharging pipe and drive baffle pivoted drive assembly.

Through adopting above-mentioned technical scheme, when concrete mixing finishes and needs the ejection of compact, drive the baffle through drive assembly and rotate, make the discharge gate open, make the concrete that the stirring finishes derive from the discharge gate.

Preferably, drive assembly includes worm wheel and worm, be connected with the installation piece on the discharging pipe, the mounting groove has been seted up on the installation piece, be connected with the dwang on the baffle, the dwang is worn out discharging pipe and the coaxial fixed connection of worm wheel, worm and worm wheel meshing, worm wheel and worm all set up in the mounting groove, the worm is worn out the installation piece and is connected with the twist grip.

Through adopting above-mentioned technical scheme, when rotating the baffle, operating personnel rotates the twist grip, drives the worm and rotates, and the worm rotates and drives the worm wheel and rotate, and the worm wheel rotates and drives the dwang and rotate, and the dwang rotates and drives the baffle rotation to the switching of control discharging pipe.

Preferably, the barrel cover is connected with a third gear, the third gear is coaxially and fixedly connected with an auger, and the auger extends into the discharge pipe; the barrel cover is connected with an air cylinder which drives the stirring motor to lift, and the third gear can be meshed with the first gear.

Through adopting above-mentioned technical scheme, when the needs ejection of compact, drive actuating cylinder and make agitator motor go up and down, make second gear and the meshing of third gear on the agitator motor output shaft, drive agitator motor this moment and drive the second gear and rotate, the second gear rotates and drives the third gear rotation, and the third gear rotation drives the auger and rotates, and the auger rotates and makes the concrete that gets into in the discharging tube derive better.

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

1. the top end of the stirring barrel is provided with the barrel cover, and the opening at the upper end of the stirring barrel is sealed, so that the powder material is prevented from being lifted from the opening at the upper end of the stirring barrel in the stirring process, and the influence on the health of surrounding operators is reduced;

2. the second baffle plate on the positioning block is connected between the first baffle plate and the bottom of the positioning groove in a sliding manner, so that the positioning block can be effectively prevented from falling off the positioning groove, the positioning block can be ensured to be in contact with the guide inclined plane in the overturning process of the hinged cover, and the positioning block is further ensured to be in inserted fit with the insertion groove of the hinged cover;

3. when the concrete mixing finishes and needs the ejection of compact, drive the baffle through drive assembly and rotate, make the discharge gate open, the rethread auger rotates, makes the concrete that the stirring finishes derive from the discharge gate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1, showing the stirring shaft;

FIG. 3 is an enlarged view of portion B of FIG. 2 showing the positioning assembly, stop assembly and reset assembly;

FIG. 4 is a schematic view of the structure of a stirring motor, a stirring shaft and an auger;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1 showing the agitator shaft and auger;

fig. 6 is an enlarged view of portion D of fig. 5, showing the flapper and drive assembly.

Reference numerals: 1. a stirring barrel; 11. positioning a groove; 12. a support leg; 2. a barrel cover; 21. a connecting cover; 22. a hinged cover; 221. inserting grooves; 222. a reset groove; 223. a second threaded hole; 3. a positioning assembly; 31. positioning blocks; 311. a guide ramp; 32. a compression spring; 4. a limiting component; 41. a first baffle plate; 42. a second baffle; 5. a reset assembly; 51. a reset block; 52. a threaded rod; 53. an operating handle; 6. a stirring motor; 61. a first gear; 62. a stirring shaft; 621. a second gear; 63. stirring blades; 64. a cylinder; 7. a discharge pipe; 71. a baffle plate; 711. rotating the rod; 8. a drive assembly; 81. a worm gear; 82. a worm; 84. mounting blocks; 841. mounting grooves; 9. a packing auger; 92. a third gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a concrete mixer. Referring to fig. 1, a concrete mixer includes an agitator 1, three support legs 12 are fixedly connected to the bottom end of the agitator 1, the support legs 12 are placed on the ground, and the agitator 1 is cylindrical in shape.

Referring to fig. 1 and 2, a barrel cover 2 is connected to the stirring barrel 1, the barrel cover 2 is cylindrical, the barrel cover 2 includes a connecting cover 21 and two hinge covers 22, and the two hinge covers 22 are respectively hinged to two sides of the connecting cover 21.

The connecting cover 21 is provided with a positioning piece, the positioning piece comprises a fastening bolt (not shown in the drawing of the fastening bolt), the connecting cover 21 is provided with a perforation in vertical arrangement, the upper end of the stirring barrel 1 is provided with a first threaded hole in vertical arrangement, and the fastening bolt penetrates through the perforation and then is in threaded connection with the first threaded hole.

Referring to fig. 2 and 3, when the hinge cover 22 is coupled to the mixing tub 1, the inner side wall of the hinge cover 22 is in contact with the outer side wall of the mixing tub 1. The hinge cover 22 is provided with a positioning assembly 3 for connecting the hinge cover 22 to the stirring barrel 1, and the positioning assembly 3 comprises a positioning block 31 and a compression spring 32.

Seted up constant head tank 11 on the 1 lateral wall of agitator, constant head tank 11 radially sets up along agitator 1, and locating piece 31 is followed 1 radial slip of agitator and is connected in constant head tank 11. One end of the compression spring 32 is fixedly connected with the bottom of the positioning groove 11, and the other end is fixedly connected with one end of the positioning block 31 close to the bottom of the positioning groove 11. An insertion groove 221 is formed in the inner side wall of the hinge cover 22, the insertion groove 221 is radially arranged along the hinge cover 22, and the positioning block 31 extends out of the positioning groove 11 under the elastic action of the compression spring 32 to be in insertion fit with the insertion groove 221.

One end of the positioning block 31, which is far away from the bottom of the positioning groove 11, is provided with a guiding inclined plane 311, and the distance from the guiding inclined plane 311 to the bottom of the positioning groove 11 gradually decreases in the direction from bottom to top.

Be provided with the spacing subassembly 4 that prevents that locating piece 31 from deviating from constant head tank 11 on locating piece 31 and the constant head tank 11, spacing subassembly 4 includes first baffle 41 and second baffle 42, and first baffle 41 fixed connection is in the one end of constant head tank 11 tank bottom of keeping away from constant head tank 11, and the setting up of first baffle 41 makes constant head tank 11 be the T type. The second baffle 42 is fixedly connected to one end of the positioning block 31 close to the bottom of the positioning slot 11, and the second baffle 42 is combined with the positioning block 31 to form a T shape. The second baffle 42 is slidably connected between the first baffle 41 and the bottom of the positioning slot 11.

The hinge cover 22 is provided with a reset assembly 5 which enables the positioning block 31 to be separated from the insertion groove 221, the reset assembly 5 comprises a reset block 51 and a threaded rod 52, the hinge cover 22 is provided with a reset groove 222 communicated with the insertion groove 221, the reset groove 222 is radially arranged along the hinge cover 22, and the reset block 51 is radially slidably connected in the reset groove 222 along the hinge cover 22.

The appearance of reset block 51 sets to cylindrically, sets up the second screw hole 223 with reset groove 222 intercommunication on the hinged cover 22 lateral wall, threaded rod 52 and second screw hole 223 screw-thread fit, threaded rod 52 one end and reset block 51 fixed connection, the other end stretch out the outer fixedly connected with operating handle 53 of hinged cover 22.

Referring to fig. 1 and 4, a stirring assembly is arranged on the connecting cover 21, the stirring assembly comprises a stirring motor 6 and a stirring shaft 62, an air cylinder 64 is fixedly connected to the connecting cover 21, an output rod of the air cylinder 64 is vertically arranged, and the output rod of the air cylinder 64 is fixedly connected with the stirring motor 6.

The vertical downward setting of agitator motor 6's output shaft, the first gear 61 of coaxial fixedly connected with on agitator motor 6's the output shaft, rotate on the connection lid 21 and be connected with second gear 621, second gear 621 can with the meshing of first gear 61, second gear 621 and the coaxial fixed connection of (mixing) shaft 62, the vertical downwardly extending of (mixing) shaft 62 is into agitator 1. The stirring shaft 62 is fixedly connected with stirring blades 63 through bolts, and the stirring blades 63 are arranged in a spiral shape.

Referring to fig. 5 and 6, a discharge hole is formed in the bottom end of the stirring barrel 1, a discharge pipe 7 is fixedly connected to the discharge hole, and the discharge pipe 7 is communicated with the interior of the stirring barrel 1 through the discharge hole. A baffle 71 for controlling the opening and closing of the tapping pipe 7 is arranged on the tapping pipe 7, the baffle 71 is cylindrical in shape, and the baffle 71 is located in the tapping pipe 7. The discharge pipe 7 is provided with a driving assembly 8 for driving the baffle 71 to rotate, and the driving assembly 8 comprises a worm wheel 81 and a worm 82.

Fixedly connected with installation piece 84 on discharging pipe 7 has seted up mounting groove 841 in the installation piece 84, and worm wheel 81 and worm 82 all set up in mounting groove 841. The baffle 71 is fixedly connected with a rotating rod 711, the rotating rod 711 is arranged along the radial direction of the baffle 71, the rotating rod 711 penetrates through the discharge pipe 7 and is coaxially and fixedly connected with the worm wheel 81, the worm 82 is meshed with the worm wheel 81, the worm 82 penetrates through the mounting block 84, and one end of the worm 82, which penetrates through the mounting block 84, is fixedly connected with a rotating handle.

An auger 9 is arranged in the discharge pipe 7, the upper end of the auger 9 extends upwards and penetrates through the connecting cover 21, a third gear 92 is coaxially and fixedly connected to one end of the auger 9, which penetrates through the connecting cover 21, and the third gear 92 can be meshed with the first gear 61.

The implementation principle of the concrete mixer in the embodiment of the application is as follows:

when the connecting cover 21 is installed, the fastening bolt is threaded with the first threaded hole on the stirring barrel 1 after passing through the through hole on the connecting cover 21.

When the hinge cover 22 is closed, the hinge cover 22 is turned downwards, so that the inner side wall of the hinge cover 22 is in contact with the outer side wall of the stirring barrel 1, and in the process that the hinge cover 22 is turned downwards, the inner side wall of the hinge cover 22 is firstly in contact with the guide inclined surface 311, so that the guide inclined surface 311 is subjected to component force towards the bottom direction of the positioning groove 11, the positioning block 31 is moved towards the direction close to the bottom of the positioning groove 11 until the positioning block 31 completely enters the positioning groove 11, then the hinge cover 22 is continuously turned downwards, so that the insertion groove 221 is aligned with the positioning groove 11, at this time, the positioning block 31 stretches out of the positioning block 31 again to be in insertion fit with the insertion groove 11 under the elastic action force of the compression spring 32, and the connection.

When the hinge cover 22 needs to be opened, the operating handle 53 is rotated to drive the threaded rod 52 to rotate, the threaded rod 52 is enabled to displace along the thread of the threaded hole, the threaded rod 52 drives the reset block 51 to move towards the direction close to the positioning block 31, the positioning block 31 is removed from the insertion groove 221, and then the hinge cover 22 is opened.

When discharging is needed, the driving cylinder 64 enables the stirring motor 6 to ascend and descend, so that the second gear 621 on the output shaft of the stirring motor 6 is meshed with the third gear 92, the stirring motor 6 is driven to drive the second gear 621 to rotate at the moment, the second gear 621 rotates to drive the third gear 92 to rotate, the third gear 92 rotates to drive the packing auger 9 to rotate, and the packing auger 9 rotates to lead out concrete entering the discharging pipe 7.

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 (8)

1. The utility model provides a concrete mixer, is including placing in subaerial agitator (1) and the stirring subassembly that is used for stirring powder in agitator (1), its characterized in that: the stirring barrel (1) is connected with a barrel cover (2), the barrel cover (2) comprises a connecting cover (21) and a hinged cover (22) hinged to the connecting cover (21), a positioning piece for connecting the connecting cover (21) to the barrel cover (2) is arranged on the connecting cover (21), the positioning piece comprises a fastening bolt, a through hole for the fastening bolt to pass through is formed in the connecting cover (21), and a first threaded hole in threaded connection with the fastening bolt is formed in the upper end of the stirring barrel (1); the hinged cover (22) is provided with a positioning component (3) which connects the hinged cover (22) to the stirring barrel (1).

2. A concrete mixer according to claim 1, wherein: the inner side wall of the hinged cover (22) is in contact with the outer side wall of the stirring barrel (1), the positioning component (3) comprises a positioning block (31) and a compression spring (32), the outer side wall of the stirring barrel (1) is provided with a positioning groove (11), the positioning block (31) is connected in the positioning groove (11) in a sliding manner, one end of the compression spring (32) is connected with the bottom of the positioning groove (11), the other end of the compression spring is connected with the positioning block (31), the inner side wall of the hinged cover (22) is provided with an insertion groove (221) which is in insertion fit with the positioning block (31), one end of the positioning block (31), which is far away from the bottom of the positioning groove (11), is provided with a guide inclined plane (311), and the distance from the guide inclined plane (311); the positioning block (31) and the positioning groove (11) are provided with a limiting component (4) for preventing the positioning block (31) from falling off the positioning groove (11); the hinge cover (22) is provided with a resetting component (5) which enables the positioning block (31) to be separated from the insertion groove (221).

3. A concrete mixer according to claim 2, wherein: spacing subassembly (4) include first baffle (41) and second baffle (42), first baffle (41) set up in constant head tank (11) keep away from the one end of constant head tank (11) tank bottom, second baffle (42) set up in locating piece (31) the one end that is close to constant head tank (11) tank bottom, second baffle (42) slide and connect between first baffle (41) to constant head tank (11) tank bottom.

4. A concrete mixer according to claim 2, wherein: reset assembly (5) are including reset block (51) and threaded rod (52), set up on articulated lid (22) with reset groove (222) of inserting groove (221) intercommunication, reset block (51) slide and connect in reset groove (222), set up on articulated lid (22) with reset groove (222) the second screw hole (223) of intercommunication, threaded rod (52) and second screw hole (223) screw-thread fit, threaded rod (52) one end is connected with reset block (51), the other end stretches out articulated lid (22) and is connected with operating handle (53).

5. A concrete mixer according to claim 4, wherein: the stirring assembly comprises a stirring motor (6) and a stirring shaft (62), the stirring motor (6) is connected to the connecting cover (21), a first gear (61) is coaxially and fixedly connected to an output shaft of the stirring motor (6), the stirring shaft (62) extends upwards out of the connecting cover (21), a second gear (621) is coaxially and fixedly connected to one end, extending out of the connecting cover (21), of the stirring shaft (62), and the first gear (61) is meshed with the second gear (621); the stirring shaft (62) is connected with stirring blades (63).

6. A concrete mixer according to claim 1, wherein: the discharge gate has been seted up to agitator (1) bottom, be connected with discharging pipe (7) on the discharge gate, be provided with baffle (71) that are used for controlling discharging pipe (7) switch on discharging pipe (7), be provided with on discharging pipe (7) and drive baffle (71) pivoted drive assembly (8).

7. A concrete mixer according to claim 6, wherein: drive assembly (8) include worm wheel (81) and worm (82), be connected with installation piece (84) on discharging pipe (7), installation groove (841) has been seted up on installation piece (84), be connected with dwang (711) on baffle (71), discharging pipe (7) and the coaxial fixed connection of worm wheel (81) are worn out in dwang (711), worm (82) and worm wheel (81) meshing, worm wheel (81) all set up in installation groove (841) with worm (82), worm (82) are worn out installation piece (84) and are connected with rotating handle.

8. A concrete mixer according to claim 7, wherein: a third gear (92) is rotatably connected to the barrel cover (2), an auger (9) is coaxially and fixedly connected to the third gear (92), and the auger (9) extends into the discharge pipe (7); the barrel cover (2) is connected with an air cylinder (64) for driving the stirring motor (6) to lift, and the third gear (92) can be meshed with the first gear (61).

Images