Efficient colored sand stirring device

Abstract

The utility model discloses an efficient colored sand stirring device which comprises a horizontally arranged workbench, a stirring barrel with openings in the left end and the right end is arranged at the upper end of the workbench, the workbench is rotationally connected with the stirring barrel, the stirring barrel is connected with a first driving mechanism, and the first driving mechanism drives the stirring barrel to rotate along the axis; a feeding mechanism is arranged on the right side of the stirring barrel and comprises a feeding hopper arranged corresponding to an opening in the right end of the stirring barrel and supports rotationally connected with the feeding hopper, the supports are arranged up and down and fixedly connected with the right end face of the workbench, the middles of the supports penetrate through a supporting shaft front and back, and the supporting shaft is fixed to the supports; the feeding hopper rotates with the support through the supporting shaft and is connected with the support in a front-back sliding mode along the supporting shaft, the second driving mechanism is arranged behind the support and used for driving the feeding hopper to rotate, the reciprocating moving part is arranged to enable the feeding hopper to oscillate front and back, adhesion of colored sand and an inner cavity of the feeding hopper is avoided, and the discharging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stirring equipment technical field especially relates to a high -efficient color sand mixing device. BACKGROUND

[0002] The stirring device is a kind of engineering machinery, and it is mainly used for stirring cement, sand, various dry powder mortar and other materials;The shaft of the blade in the stirring device rotates in the cylinder or groove, and multiple raw materials are stirred and mixed, so that these raw materials form a mixture.The stirring device is divided into many kinds, including forced mixer, single horizontal shaft mixer, double horizontal shaft mixer and the like.

[0003] A stirring machine known by the applicant (CN 106179051 B2), it includes: machine body;Container, the container is rotatably supported on the machine body;Container rotation driving mechanism, the container rotation driving mechanism is connected with the container, so that the container rotation driving mechanism drives the container to rotate;Crank action mechanism;Crank rocker mechanism, the crank rocker mechanism includes rocker and crank, rocker is hinged on the machine body, one end of crank is hinged with rocker, the other end of crank is drivingly connected with crank action mechanism, so that the crank action mechanism drives the crank to act, the fixed link is arranged on the crank, the free end of the fixed link extends into the container, and the free end of the fixed link is connected with the accompanying spoon;The container rotation driving mechanism includes container power source, gear pair and bevel gear pair, the gear pair includes driving gear and driven gear that are engaged together, the bevel gear pair includes driving bevel gear and driven bevel gear that are engaged together, the container power source is drivingly connected with the driving gear, so that the container power source drives the driving gear to rotate, the driven gear is coaxially installed with the driving bevel gear, and the driven bevel gear is connected on the rotating shaft on the container.

[0004] But the above-mentioned device has the following problems:

[0005] In the feeding process, the inner wall of the container and the material in the container are easy to stick, which reduces the feeding amount and affects the stirring efficiency of the equipment;And the falling of the material adhered to the inner wall of the container is uncontrollable, which causes the uniformity of stirring uncontrollable, and affects the uniformity of stirring. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of high -efficient color sand mixing device, can be stirred in the stirring barrel at the same time, by setting up feeding hopper oscillation mechanism auxiliary feeding hopper drop, it improves drop efficiency and improves the uniformity of mixed finished product.

[0007] The utility model adopts the following technical solutions:

[0008] The utility model provides a high -efficient color sand stirring device, including the workbench of horizontal arrangement, the stirring barrel of left and right two ends opening is arranged on the workbench upper end, and the workbench is rotatably connected with the stirring barrel, and the stirring barrel is connected first drive mechanism, and first drive mechanism drives the stirring barrel to rotate along the axis, the feeding mechanism is arranged at the right side of stirring barrel, and the feeding mechanism includes the feeding hopper of setting up corresponding the right end opening of stirring barrel and the support rotatably connected with feeding hopper, and the support is set up up and down, and the support is fixedly connected with the right end surface of workbench, and the support middle part penetrates and supports the shaft and is fixed with the support, and the feeding hopper is rotatably connected with the support through the support shaft and is slidably connected along the support shaft front and back, and the support rear is provided with second drive mechanism, and second drive mechanism is used for driving the feeding hopper to rotate, the support front end is provided with the feeding hopper oscillation mechanism, and the feeding hopper oscillation mechanism includes the drive sleeve fixed with the front end of feeding hopper, and the drive sleeve coaxially covers the front end of support shaft, and is rotatably connected with the support shaft and slides back and forth, and the front end of drive sleeve is connected reciprocating movement part, and reciprocating movement part drives the feeding hopper to move back and forth reciprocatingly through drive sleeve, so that the feeding hopper generates vibration.

[0009] Further, the first drive mechanism includes a first drive motor arranged in front of the stirring barrel, the first drive motor is fixed on the upper surface of the workbench, the output shaft of the first drive motor is arranged left and right and coaxially fixed with a gear, and the gear is engaged with a gear ring coaxially fixed outside the stirring barrel.

[0010] Further, the reciprocating movement part includes a camshaft coaxially fixed at the right end of the gear, a cam is fixed at the right end of the camshaft, a limiting rod is arranged at the rear side of the cam, and the outer surface of the cam is in close contact with the front end surface of the limiting rod; an upper guide slot is arranged on the front end of the support shaft along the axial direction, the upper end of the limiting rod penetrates through the upper guide slot and passes through the upper guide slot, and the limiting rod is slidably connected with the support shaft front and back.

[0011] Further, a lower guide slot is arranged on the upper surface of the workbench corresponding to the position of the upper guide slot, and the lower end of the limiting rod penetrates through the lower guide slot, and the limiting rod is slidably connected with the workbench front and back through the lower guide slot.

[0012] Further, the front end surface of the limiting rod is always in close contact with the outer surface of the cam, a drive spring is arranged at the rear end of the feeding hopper, the drive spring is in a compressed state, and is sleeved on the rear part of the support shaft, and the front and rear ends of the drive spring are respectively fixed with the feeding hopper and the support.

[0013] Further, the front end of the drive sleeve is further provided with uniformly distributed upper containing grooves and lower containing grooves, and the front ends of the upper containing grooves and the lower containing grooves are respectively opened; an upper inclined surface and a lower inclined surface are respectively arranged at the front end openings of the upper containing grooves and the lower containing grooves, the upper inclined surface is located at the right side of the front end opening of the upper containing groove, and the lower inclined surface is located at the left side of the lower containing groove.

[0014] Further, a support seat is further sleeved on the middle part of the camshaft, the camshaft is rotatably connected with the support seat, and the lower end of the support seat is fixed with the workbench.

[0015] Further, the upper surface of the workbench is provided with pulleys at four corners respectively, the pulleys are connected with the upper surface of the workbench through pulley seats, the axes of the pulleys are parallel to the axis of the stirring barrel and are rotationally connected with the pulley seats, and the outer surfaces of the pulleys abut against the stirring barrel.

[0016] Further, the second driving mechanism comprises a second driving motor fixed on the upper surface of the workbench, a first pulley coaxially fixed on the front end of the output shaft of the second driving motor, a second pulley rotationally connected with the first pulley through a driving belt, a driving shaft coaxially fixed on the front end of the second pulley, a first winding wheel coaxially fixed on the front end of the driving shaft corresponding to the front end position of the feeding hopper, and a traction line fixedly connected with one end of the first winding wheel and the other end of the feeding hopper away from the supporting shaft.

[0017] Further, the second driving mechanism comprises a second driving motor fixed on the upper surface of the workbench, a first pulley coaxially fixed on the front end of the output shaft of the second driving motor, a second pulley rotationally connected with the first pulley through a driving belt, a driving shaft coaxially fixed on the front end of the second pulley, a first winding wheel coaxially fixed on the front end of the driving shaft corresponding to the front end position of the feeding hopper, and a traction line fixedly connected with one end of the first winding wheel and the other end of the feeding hopper away from the supporting shaft.

[0018] The utility model discloses a reciprocating movement part is set up to make the feeding hopper oscillate forwards and backwards, avoids the adhesion of the colored sand and the inner cavity of the feeding hopper, improves the material dropping efficiency,

[0019] The upper accommodating groove and the lower accommodating groove are arranged, the connection and disconnection of the limiting rod and the driving sleeve are realized, the feeding hopper cannot oscillate forwards and backwards when being arranged on the left and right, and the feeding difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural diagram of the stirring barrel of the utility model;

[0021] Figure 2 It is the structural diagram of the gear ring of the utility model;

[0022] Figure 3 It is the structural diagram of the driving sleeve of the utility model;

[0023] Figure 4 It is the structural diagram of the upper inclined surface of the utility model;

[0024] Figure 5 It is the structural diagram of the lower inclined surface of the utility model;

[0025] Figure 6 It is the structural diagram of the support of the utility model.

[0026] In the figure, 1, workbench; 2, stirring barrel; 3, support; 4, support shaft; 5, feed hopper; 6, drive sleeve; 7, first drive motor; 8, gear; 9, gear ring; 10, camshaft; 11, cam; 12, limit rod; 13, upper guide through slot; 14, lower guide through slot; 15, upper containing through slot; 16, upper inclined surface; 17, lower inclined surface; 18, lower containing through slot; 19, second drive motor; 20, first pulley; 21, second pulley; 22, drive shaft; 23, first winding wheel; 24, traction line; 25, second winding wheel; 26, drive spring. DETAILED DESCRIPTION

[0027] As Figures 1 to 6 shown, the utility model relates to a kind of high-efficiency color sand stirring devices, including horizontally arranged workbench 1, and the upper end of workbench 1 is provided with the stirring barrel 2 of left and right two ends opening, and workbench 1 is rotatably connected with stirring barrel 2, and stirring barrel 2 is connected first drive mechanism, and first drive mechanism drives stirring barrel 2 to rotate along axis;Stirring barrel 2 right side is provided with feeding mechanism, and feeding mechanism includes the feed hopper 5 of corresponding stirring barrel 2 right end opening and the support 3 rotatably connected with feed hopper 5, and support 3 is arranged up and down and support 3 is fixedly connected with the right end surface of workbench 1, and support 3 middle part is penetrated with support shaft 4 and support shaft 4 is fixed with support 3, and feed hopper 5 is rotatably connected with support 3 by support shaft 4 and is slidably connected along support shaft 4 front and back, and support 3 rear is provided with second drive mechanism, and second drive mechanism is used to drive feed hopper 5 to rotate;Support 3 front end is also provided with feed hopper oscillation mechanism, and feed hopper oscillation mechanism includes the drive sleeve 6 fixed with the front end of feed hopper 5, and drive sleeve 6 is coaxially sleeved in the front end of support shaft 4, and is rotatably connected with support shaft 4 and slidably connected front and back, and the front end of drive sleeve 6 is connected reciprocating moving part, and reciprocating moving part drives feed hopper 5 to reciprocate front and back by drive sleeve 6, so that feed hopper 5 generates vibration;

[0028] During work, open second drive mechanism, so that second drive mechanism drives feed hopper 5 to rotate from up and down vertical setting to down to left and right horizontal setting of feed hopper 5, while adding color sand to be mixed and stirred in feed hopper 5;Switch the driving direction of second drive mechanism, so that second drive mechanism drives feed hopper 5 to rotate up to the up and down setting of feed hopper 5, and color sand in feed hopper 5 falls into stirring barrel 2 through stirring barrel 2 right side opening under the action of gravity;Then, first drive mechanism starts to operate, and first drive mechanism drives stirring barrel 2 to rotate, and rotating stirring barrel 2 drives color sand to stir in stirring barrel 2, so that color sand is uniformly mixed;While stirring barrel 2 rotates, reciprocating moving part drives feed hopper 5 to reciprocate front and back, forming the vibration of feed hopper 5, so that color sand in feed hopper 5 is rapidly separated from feed hopper 5 inner cavity by vibration and falls into stirring barrel 2, which improves the adhesion of color sand in feed hopper 5 and feed hopper 5 inner cavity, and further improves the working efficiency of color sand equipment;

[0029] The utility model discloses, first drive mechanism includes setting at the front of stirring bucket 2 first drive motor 7, first drive motor 7 is fixed on the workbench 1 upper surface, and the output shaft of first drive motor 7 is set left and right and coaxial fixed gear 8, and gear 8 is engaged with the gear ring 9 of coaxial fixed at the outside of stirring bucket 2,

[0030] During work, first drive motor 7 drives gear 8 to rotate, and the gear ring 9 engaged with gear 8 rotates at the same time, drives the stirring bucket 2 fixed coaxially to rotate, and stirs the colored sand inside stirring bucket 2.

[0031] In order to make stirring bucket 2 rotate at the same time, reciprocating movement part in feeding hopper oscillation mechanism starts to work, that is, stirring bucket 2 rotates at the same time, reciprocating movement part makes feeding hopper 5 oscillate forward and backward, so that the colored sand in feeding hopper 5 rapidly separates from feeding hopper 5 and quickly enters stirring bucket 2; in the utility model, reciprocating movement part includes camshaft 10 coaxially fixed at the right end of gear 8, cam 11 fixed at the right end of camshaft 10, limiting rod 12 arranged at the rear side of cam 11, and the outer surface of cam 11 is in close contact with the front end surface of limiting rod 12; upper guide through slot 13 is arranged on the front end of support shaft 4 in the axial direction, the upper end of limiting rod 12 penetrates through upper guide through slot 13 and passes through upper guide through slot 13, and limiting rod 12 is connected with support shaft 4 in front and back sliding mode; in order to balance the force on the upper and lower ends of limiting rod 12, that is, limiting rod 12 remains vertical when being pressed by cam 11; lower guide through slot 14 is arranged on the upper surface of workbench 1 at the position corresponding to upper guide through slot 13, the lower end of limiting rod 12 penetrates through lower guide through slot 14, and limiting rod 12 is connected with workbench 1 in front and back sliding mode through lower guide through slot 14; that is, the upper and lower ends of limiting rod 12 respectively penetrate through upper guide through slot 13 and lower guide through slot 14, and limiting rod 12 is connected with upper guide through slot 13 and lower guide through slot 14 in front and back sliding mode, the rear end surface of the upper part of limiting rod 12 is in close contact with drive sleeve 6, and limiting rod 12 drives feeding hopper 5 to oscillate forward and backward by connecting feeding hopper 5 with drive sleeve 6 through front and back sliding mode;

[0032] In the embodiment, in order to make the rear end surface of the upper part of limiting rod 12 always in close contact with drive sleeve 6, and the front end surface of the middle part of limiting rod 12 always in close contact with the outer surface of cam 11, drive spring 26 is arranged at the rear end of feeding hopper 5, drive spring 26 is in compressed state, and is sleeved on the rear part of support shaft 4, and the front and rear ends of drive spring 26 are respectively fixed with feeding hopper 5 and support 3;

[0033] During the working process, the first driving motor 7 starts to work, that is, the first driving motor 7 drives the gear 8 to rotate through the output shaft, at the same time, the camshaft 10 coaxially fixed on the right end of the gear 8 rotates, the gear ring 9 engaged with the gear 8 drives the stirring barrel 2 to rotate, the cam 11 fixed on the right end of the camshaft 10 rotates, under the action of the driving spring 26, the limiting rod 12 is tightly attached to the outer surface of the cam 11, due to the change of the outer contour radius of the cam 11, the limiting rod 12 oscillates forward and backward, the driving sleeve 6 tightly attached to the limiting rod 12 drives the feeding hopper 5 connected with the driving sleeve 6 to oscillate forward and backward, when the feeding hopper 5 oscillating upward rotates to the uppermost end, the colored sand in the feeding hopper 5 oscillating falls into the stirring barrel 2 rapidly.

[0034] When the feeding hopper 5 rotates downward to be arranged left and right, if the first driving motor 7 drives the stirring barrel 2 to rotate at this time, the camshaft 10 coaxially fixed on the right end of the gear 8 drives the feeding hopper 5 to oscillate forward and backward, the feeding hopper 5 oscillating is not conducive to the operator to add the colored sand into the feeding hopper 5, in order to make the feeding hopper 5 disconnected with the reciprocating moving part when the feeding hopper 5 rotates downward, that is, the feeding hopper 5 does not oscillate forward and backward, in the utility model, the front end cylinder wall of the driving sleeve 6 is further provided with the uniformly distributed upper containing through slot 15 and lower containing through slot 18, and the upper containing through slot 15 and the lower containing through slot 18 are respectively opened at the front end, when the feeding hopper 5 rotates downward to be arranged left and right, the opening position of the upper containing through slot 15 and the lower containing through slot 18 corresponds to the arrangement of the limiting rod 12, the limiting rod 12 enters the upper containing through slot 15 and the lower containing through slot 18 under the drive of the cam 11, the limiting rod 12 moves backward, and no longer presses the driving sleeve 6, that is, after the limiting rod 12 enters the upper containing through slot 15 and the lower containing through slot 18, the outer surface of the cam 11 no longer tightly attaches to the rear end surface of the limiting rod 12, the limiting rod 12 no longer moves forward and backward with the cam 11, the feeding hopper 5 is disconnected with the reciprocating moving part, that is, the feeding hopper 5 does not oscillate forward and backward;

[0035] When the limiting rod 12 enters the upper accommodating channel 15 and the lower accommodating channel 18, the feeding hopper 5 is rotated to be arranged left and right, and the colored sand is started to be filled; after the filling is completed, the feeding hopper 5 is rotated upward to be arranged up and down, so that the limiting rod 12 is re-moved forward to be tightly attached to the outer surface of the cam 11 and the front end surface of the driving sleeve 6, that is, the feeding hopper 5 is re-generated to vibrate forward and backward; in the embodiment, the upper inclined surface 16 and the lower inclined surface 17 are arranged at the front end openings of the upper accommodating channel 15 and the lower accommodating channel 18 respectively, the upper inclined surface 16 is arranged at the right side of the front end opening of the upper accommodating channel 15, the lower inclined surface 17 is arranged at the left side of the lower accommodating channel 18, and the limiting rod 12 is driven through the upper inclined surface 16 and the lower inclined surface 17; when the limiting rod 12 is moved backward to the limit position, the last end of the limiting rod 12 is still arranged inside the upper inclined surface 16 and the lower inclined surface 17; when the feeding hopper 5 is rotated upward, the left and right sides of the rear end of the limiting rod 12 are pressed by the inside of the upper inclined surface 16 and the lower inclined surface 17 respectively, the limiting rod 12 has a tendency to move forward at this time, so that the front end surface of the limiting rod 12 is tightly attached to the outer surface of the cam 11, and due to the interaction of forces, the driving sleeve 6 is moved backward and presses the driving spring 26 until the rear end surface of the limiting rod 12 is moved along the upper inclined surface 16 and the lower inclined surface 17 to the front end surface of the driving sleeve 6; the feeding hopper 5 is rotated to the highest position at the same time, and is in a vertical discharging state, at this time, the driving sleeve 6 which is tightly attached to the limiting rod 12 drives the feeding hopper 5 to vibrate forward and backward, and the colored sand in the vibrating feeding hopper 5 falls into the stirring barrel 2 rapidly.

[0036] In order to improve the rigidity of the cam shaft 10, in the embodiment, a supporting seat is further sleeved in the middle part of the cam shaft 10, the cam shaft 10 is rotationally connected with the supporting seat, and the lower end of the supporting seat is fixed on the workbench 1.

[0037] In order to improve the stability of the stirring barrel 2 in the rotating process, in the utility model, pulleys are arranged at the four corners of the upper surface of the workbench 1 respectively, the pulleys are connected with the upper surface of the workbench 1 through pulley seats, the pulley axes are arranged in parallel with the axis of the stirring barrel 2 and are rotationally connected with the pulley seats, and the outer surfaces of the pulleys abut against the stirring barrel 2.

[0038] In the embodiment, the second driving mechanism comprises a second driving motor 19, the second driving motor 19 is fixed on the upper surface of the workbench 1, the output shaft of the second driving motor 19 is arranged horizontally forward and backward, the front end of the output shaft of the second driving motor 19 is coaxially fixed with a first pulley 20, a second pulley 21 is drivingly connected above the first pulley 20 through a driving belt, the front end of the second pulley 21 is coaxially fixed with a driving shaft 22, the driving shaft 22 is rotationally connected with the upper part of the support 3, the front end of the driving shaft 22 is coaxially fixed with a first winding wheel 23 corresponding to the front end position of the feeding hopper 5, one end of a traction line 24 is fixedly connected with the first winding wheel 23 in the circumferential direction, and the other end of the traction line 24 is fixedly connected with one end of the feeding hopper 5 away from the supporting shaft 4.

[0039] During the working process, when the feeding hopper 5 rotates upward, the second driving motor 19 rotates, the first pulley 20 fixed on the output shaft of the second driving motor 19 rotates and drives the second pulley 21 in transmission connection with the first pulley 20, the second pulley 21 drives the driving shaft 22 to rotate, the first winding wheel 23 coaxially fixed on the driving shaft 22 rotates and winds the traction line 24, the traction line 24 is pulled into one end of the feeding hopper 5 through the winding of the first winding wheel 23, and the feeding hopper 5 is driven to rotate; when the feeding hopper 5 rotates downward, the second driving motor 19 reversely rotates, the first pulley 20 fixed on the output shaft of the second driving motor 19 reversely rotates and drives the second pulley 21 in transmission connection with the first pulley 20, the second pulley 21 drives the driving shaft 22 to reversely rotate, the first winding wheel 23 coaxially fixed on the driving shaft 22 reversely rotates and releases the wound traction line 24, at this time, the feeding hopper 5 slowly rotates downward under the action of gravity with the release of the traction line 24.

[0040] In order to make the feeding hopper 5 more easily rotate under the traction of the traction line 24, in the embodiment, the second winding wheel 25 is coaxially fixed at the position corresponding to the rear end of the feeding hopper 5 at the rear end of the driving shaft 22.

Claims

1. A high-efficiency color sand stirring device, comprising a horizontally arranged workbench, the upper end of the workbench is provided with a stirring barrel with openings at both ends, the workbench is rotationally connected with the stirring barrel, the stirring barrel is connected with a first driving mechanism, and the first driving mechanism drives the stirring barrel to rotate along an axis; a feeding mechanism is arranged on the right side of the stirring barrel, the feeding mechanism comprises a feeding hopper arranged corresponding to the opening at the right end of the stirring barrel and a bracket rotationally connected with the feeding hopper, the bracket is arranged up and down, and the bracket is fixedly connected with the right end surface of the workbench, support shafts are arranged through the bracket from front to back at the middle part of the bracket, and the support shafts are fixed with the bracket, the feeding hopper is rotationally connected with the bracket through the support shafts and is slidingly connected with the bracket along the support shafts from front to back, and a second driving mechanism is arranged at the rear of the bracket, and the second driving mechanism is used for driving the feeding hopper to rotate; characterized in that: The support front end is provided with a feeding hopper oscillation mechanism, which comprises a driving sleeve fixed at the front end of the feeding hopper, the driving sleeve is coaxially sleeved on the front end of the support shaft, and the driving sleeve is rotatably and slidably connected with the support shaft, the front end of the driving sleeve is connected with a reciprocating moving part, and the reciprocating moving part is driven by the driving sleeve to move the feeding hopper back and forth to make the feeding hopper vibrate.

2. The high efficiency colored sand mixing device of claim 1, wherein: The first driving mechanism comprises a first driving motor arranged in front of the stirring barrel, the first driving motor is fixed on the upper surface of the workbench, and the output shaft of the first driving motor is coaxially fixed with a gear on the left and right sides, the gear is engaged with a gear ring coaxially fixed outside the stirring barrel.

3. The high efficiency colored sand mixing device of claim 2, wherein: The reciprocating moving part comprises a cam shaft coaxially fixed at the right end of the gear, a cam is fixed at the right end of the cam shaft, a limiting rod is arranged at the rear side of the cam, and the outer surface of the cam is in close contact with the front end surface of the limiting rod; the front end of the support shaft is provided with an upper guide through slot in the axial direction, the upper end of the limiting rod penetrates through the upper guide through slot, and the limiting rod is slidably connected with the support shaft.

4. The high efficiency colored sand mixing device of claim 3, wherein: The lower guide through slot is arranged on the upper surface of the workbench at a position corresponding to the upper guide through slot, the lower end of the limiting rod penetrates through the lower guide through slot, and the limiting rod is slidably connected with the workbench through the lower guide through slot.

5. The high efficiency colored sand mixing apparatus of claim 4, wherein: The front end surface of the middle part of the limiting rod is always in close contact with the outer surface of the cam, a driving spring is arranged at the rear end of the feeding hopper, the driving spring is in a compressed state, and the driving spring is sleeved on the rear part of the support shaft, and the front and rear ends of the driving spring are fixed with the feeding hopper and the support respectively.

6. The high efficiency colored sand mixing apparatus of claim 1, wherein: The front end of the driving sleeve is also provided with uniformly distributed upper containing through slots and lower containing through slots, and the front ends of the upper containing through slots and the lower containing through slots are respectively opened; the front ends of the upper containing through slots and the lower containing through slots are respectively provided with upper inclined surfaces and lower inclined surfaces, the upper inclined surface is located on the right side of the front end opening of the upper containing through slot, and the lower inclined surface is located on the left side of the lower containing through slot.

7. The high efficiency colored sand mixing device of claim 3, wherein: The middle part of the cam shaft is also sleeved with a support seat, the cam shaft is rotatably connected with the support seat, and the lower end of the support seat is fixed with the workbench.

8. The high efficiency colored sand mixing device of claim 1, wherein: The upper surface of the workbench is provided with pulleys at four corners respectively, the pulleys are connected with the upper surface of the workbench through pulley seats, the axis of the pulley is arranged in parallel with the axis of the stirring barrel and is rotatably connected with the pulley seat, and the outer surface of the pulley is tightly pressed against the stirring barrel.

9. The high efficiency colored sand mixing apparatus of claim 1, wherein: The second driving mechanism comprises a second driving motor, the second driving motor is fixed on the upper surface of the workbench, the output shaft of the second driving motor is horizontally arranged front and back, the front end of the output shaft of the second driving motor is coaxially fixed with a first pulley, a second pulley is drivingly connected with the first pulley through a driving belt above the first pulley, the front end of the second pulley is coaxially fixed with a driving shaft, the driving shaft is rotatably connected with the support through the upper part of the support, the front end of the driving shaft is coaxially fixed with a first winding wheel at a position corresponding to the front end of the feeding hopper, one end of a traction line is fixedly connected with the first winding wheel, and the other end of the traction line is fixedly connected with one end of the feeding hopper away from the support shaft.

10. The high efficiency colored sand mixing apparatus of claim 9, wherein: The rear end of the driving shaft is coaxially fixed with a second winding wheel at a position corresponding to the rear end of the feeding hopper.

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