CN213084780U - Special partition type feed hopper for machine-made sand concrete mixer - Google Patents

Special partition type feed hopper for machine-made sand concrete mixer Download PDF

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Publication number
CN213084780U
CN213084780U CN202021824196.3U CN202021824196U CN213084780U CN 213084780 U CN213084780 U CN 213084780U CN 202021824196 U CN202021824196 U CN 202021824196U CN 213084780 U CN213084780 U CN 213084780U
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gear
feeding
driving
shaft
adjusting
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马宏伍
徐文俊
孙学权
董海军
仲利平
魏良斌
韦冬琴
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Anhui Luda Highway Engineering Co ltd
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Anhui Luda Highway Engineering Co ltd
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Abstract

The utility model discloses a special use in subregion formula feeder hopper of machine-made sand concrete mixer, including the hopper body, two feeding storehouses and differential case are established to the hopper body, establish the removal striker plate at the bottom of the feeding storehouse, and the removal striker plate passes through fastening knob and sliding pin joint horizontal spout, establishes the scale on the horizontal spout, fastening knob rigid coupling transparent elastic sealing cloth; the driving gear and the driving shaft are connected with a driving motor, a driven gear of the driven shaft is meshed with a rolling gear, the rolling gear is connected with a gear ring, the gear ring is meshed with an adjusting gear, and the adjusting gear is connected with an adjusting rotating shaft and an adjusting motor; the driving shaft and the driven shaft are respectively provided with a material blocking blade. The utility model utilizes the principle of differential mechanism to cause the speed difference between the driven gear and the driving gear and adjust the blanking speed of different feeding bins; the utility model discloses can add the material that different volume and different unloading required at the uniform velocity simultaneously, realize comparatively accurate scientific unloading method, be particularly useful for the unloading process of each material of mechanism sand concrete, have great using value.

Description

Special partition type feed hopper for machine-made sand concrete mixer
Technical Field
The utility model relates to a mechanism sand concrete preparation technical field especially relates to the subregion formula feeder hopper of mechanism sand concrete mixer is exclusively used in.
Background
With the continuous development of social economy, natural sand in China is in natural shortage nowadays, so that the price of the natural sand is continuously promoted. Under the background, in order to meet the construction requirements of engineering projects and control the construction cost to the maximum extent, more and more projects begin to apply machine-made sand concrete. However, compared with natural sand, the machine-made sand has rough particles and also contains certain stone powder, so that the viscosity of the machine-made sand concrete is high, and particularly, the preparation and the use of the machine-made sand for preparing the high-performance self-compacting concrete become a key factor influencing construction.
In the stirring and feeding process of the existing machine-made sand concrete, materials are gradually added after being metered, the control of the stirring process is difficult due to gaps among the adding time of the materials with different fineness, the non-uniform speed of the blanking process, the metering process, the control of the rotating speed and the like, and the feeding particle size, the feeding quantity, the linear speed, the characteristics of the used sand stone raw materials and the fineness modulus have direct relations, so that how to accurately control the blanking speed of the materials at a uniform speed becomes an important means for controlling the parameters of the control mechanism sand concrete, but the existing stirring equipment does not have the feeding hopper.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a partitioned feed hopper specially used for a machine-made sand concrete mixer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the partitioned feeding hopper special for the machine-made sand concrete mixer comprises a hopper body, wherein two groups of feeding bins which are the same in size and are arranged in parallel are inlaid in the top wall of the hopper body, a material receiving lotus leaf edge is arranged at the top opening of any feeding bin, a sealing rubber ring is wrapped at the bottom opening of any feeding bin, a movable material baffle plate is arranged below the feeding bin, the width of the movable material baffle plate is equal to the sum of the width of the bottom opening of the feeding bin and the width of the space between the two feeding bins, and the upper surface of the movable material baffle plate is in sealing contact with one or two bottom openings of the two feeding bins;
the center of the two symmetrical side walls of the movable material baffle plate is provided with a fastening knob, the two ends of the two symmetrical side walls of the movable material baffle plate are provided with sliding pins which are symmetrically arranged along the fastening knob, the side wall of the hopper body is provided with a horizontal sliding chute which is in sliding fit with the sliding pins, the length of the horizontal sliding chute is equal to the distance between the leftmost opening at the bottom of one feeding bin and the rightmost opening at the bottom of the other feeding bin, the upper edge of the opening at the outer side of the horizontal sliding chute is provided with a scale, the fastening knob is composed of a screw section screwed into the side wall of the movable material baffle plate and an anti-slip round block, the screw section penetrates through the horizontal sliding chute, the inner side of the anti-slip round block is tightly attached to the outer wall of the hopper body to play a role of fastening and anti-slip, so that the movable material baffle plate is positioned, one side of the other piece of transparent elastic sealing cloth, which is far away from the anti-skid round block, is fixedly connected to the other end of the horizontal chute, and the opening of the horizontal chute is sealed by the two pieces of transparent elastic sealing cloth, so that the leakage of material dust is prevented;
a differential case is arranged between the two feeding bins, a driving shaft is erected at the lower part of one feeding bin, a driven shaft is erected at the lower part of the other feeding bin, one end of the driving shaft extending into the differential case is fixedly connected with a driving gear, one end of the driven shaft extending into the differential case is fixedly connected with a driven gear, two groups of rolling gears are meshed between the driving gear and the driven gear, the two groups of rolling gears are symmetrically arranged, the center of any rolling gear is fixedly connected onto the inner side wall of a gear ring through a pin shaft, a regulating gear is meshed with a gear channel on the outer side wall of the gear ring, a regulating rotating shaft is fixedly connected to the center of one side surface of the regulating gear, the regulating rotating shaft is connected with a;
8-12 groups of material blocking blades are annularly distributed on the part of the shaft wall of the driving shaft extending into one of the feeding bins, rubber covered edges are arranged at the joint parts of the material blocking blades and the inner walls of the feeding bins, so that the material is prevented from leaking into the hopper body from gaps between the material blocking blades and the feeding bins, the accurate metering and uniform feeding of the material are influenced, and 8-12 groups of material blocking blades are also annularly distributed on the part of the shaft wall of the driven shaft extending into the other feeding bin;
one end of the driving shaft, which is far away from the driving gear, extends out of the hopper body and is connected with a driving motor, a shell of the driving motor is fixedly connected to the upper part of one side wall of the hopper body through a support frame, two side walls of the hopper body are respectively provided with bearing holes which are sleeved with the driving shaft and the driven shaft, and the two feeding bins and the differential case are also respectively provided with bearing holes which are sleeved with the driving shaft and the driven shaft;
and a material valve is arranged at an opening at the bottom of the hopper body.
Preferably, the scale comprises scale bar I from the left end of the horizontal sliding groove to the middle part of the horizontal sliding groove and scale bar II from the right end of the horizontal sliding groove to the middle part of the horizontal sliding groove, so that the relative size of the opening areas at the bottoms of the two feeding bins can be calculated quickly, if the left sliding pin is located at the reading 0 of the scale bar I, the right sliding pin is located at the maximum reading position of the scale bar II, and at the moment, the left feeding bin is completely closed and the right feeding bin is completely opened.
Preferably, the transparent elastic sealing cloth is a latex or silicone cloth strip with a thickness of 1-2 mm. The position of the movable material baffle plate is adjusted by loosening and pulling the fastening knob, the position of the movable material baffle plate is fixed after the movable material baffle plate is screwed, the transparent elastic sealing cloth plays a role in stretching and sealing, and the fastening knob can seal the end parts of the two pieces of transparent elastic sealing cloth when the movable material baffle plate is screwed.
Preferably, the driving gear, the driven gear, the rolling gear and the adjusting gear are all bevel gears of 45 degrees, and the driving gear, the driven gear, the rolling gear and the adjusting gear have the same single tooth size and the same tooth number, so that the control and the calculation and the accounting of the gear transmission ratio in the design are facilitated.
Preferably, the gear ratio of the gear ring to the adjusting gear is 5-10: 1.
compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the differential mechanism principle, set up the rolling gear that can advance rotatoryly between driving gear and driven gear, adjust the precession rotational speed that rolling gear wound the driving wheel axle through adjusting gear, reach the rotation rotational speed of offsetting or strengthening rolling gear, cause the speed difference between driven gear and the driving gear, can make driving shaft and driven shaft produce the rotational speed difference promptly, thereby adjust the unloading volume difference in different feeding storehouses, and assist the feed opening area difference in the different feeding storehouses of removal striker plate control, and then adjust the unloading speed in different feeding storehouses.
The utility model discloses can realize more accurate at the uniform velocity unloading process, can add simultaneously to the material that different volume and different unloading required to realize comparatively accurate scientific unloading method, at the uniform velocity when being particularly useful for the material of different fineness in the mechanism sand concrete preparation process and add, have great using value.
Drawings
FIG. 1 is a schematic structural view of a partitioned feed hopper dedicated to a machine-made sand concrete mixer according to the present invention;
FIG. 2 is a connecting structure diagram of a gear ring in a partitioned feed hopper special for a machine-made sand concrete mixer, which is provided by the utility model;
FIG. 3 is a perspective view of the sectional feed hopper of the present invention;
in the figure: the automatic material feeding device comprises a hopper body 1, a feeding bin 2, a movable material blocking plate 3, a fastening knob 4, a sliding pin 5, a horizontal sliding groove 6, a graduated scale 7, transparent elastic sealing cloth 8, a differential case 9, a driving shaft 10, a driven shaft 11, a driving gear 12, a driven gear 13, a rolling gear 14, a gear ring 15, an adjusting gear 16, an adjusting rotating shaft 17, an adjusting motor 18, material blocking blades 19, a driving motor 20 and a material valve 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the sectional type feeding hopper special for the machine-made sand concrete mixer comprises a hopper body 1, two groups of feeding bins 2 which are the same in size and are arranged in parallel are inlaid on the top wall of the hopper body 1, a material receiving lotus leaf edge is arranged at the opening at the top of any one of the feeding bins 2, a sealing rubber ring is wrapped at the opening at the bottom of any one of the feeding bins 2, a movable material baffle plate 3 is arranged below the feeding bin 2, the width of the movable material baffle plate 3 is equal to the sum of the width of the opening at the bottom of the feeding bin 2 and the width of the space between the two feeding bins 2, and the upper surface of the movable material baffle plate 3; the center position of two symmetrical side walls of a movable material baffle plate 3 is provided with a fastening knob 4, two end positions of two symmetrical side walls of the movable material baffle plate 3 are provided with sliding pins 5 which are symmetrically arranged along the fastening knob 4, the side wall of a hopper body 1 is provided with a horizontal sliding chute 6 which is in sliding fit with the sliding pins 5, the length of the horizontal sliding chute 6 is equal to the distance between the leftmost opening of the bottom of one feeding bin 2 and the rightmost opening of the bottom of the other feeding bin 2, the upper edge of the opening at the outer side of the horizontal sliding chute 6 is provided with a scale 7, the fastening knob 4 consists of a screw section screwed into the side wall of the movable material baffle plate 3 and an anti-slip round block, the screw section passes through the horizontal sliding chute 6, the inner side of the anti-slip round block is tightly attached to the outer wall of the hopper body 1 to play a role of fastening and anti-slip, thereby the movable material baffle plate 3 is positioned, the inner side surface of the, one side of the other piece of transparent elastic sealing cloth 8, which is far away from the anti-skid round block, is fixedly connected to the other end position of the horizontal chute 6, and the opening of the horizontal chute 6 is sealed by the two pieces of transparent elastic sealing cloth 8, so that the leakage of material dust is prevented; a differential case 9 is arranged between the two feeding bins 2, a driving shaft 10 is erected at the lower part of one feeding bin 2, a driven shaft 11 is erected at the lower part of the other feeding bin 2, one end of the driving shaft 10, which extends into the differential case 9, is fixedly connected with a driving gear 12, one end of the driven shaft 11, which extends into the differential case 9, is fixedly connected with a driven gear 13, two groups of rolling gears 14 are meshed between the driving gear 12 and the driven gear 13, the two groups of rolling gears 14 are symmetrically arranged, the center of any one rolling gear 14 is fixedly connected to the inner side wall of a gear ring 15 through a pin shaft, a tooth path on the outer side wall of the gear ring 15 is meshed with an adjusting gear 16, an adjusting rotating shaft 17 is fixedly connected to the center of one side face of the adjusting gear 16, the adjusting rotating shaft 17; 8-12 groups of material blocking blades 19 are annularly distributed on a part of the shaft wall of the driving shaft 10 extending into one of the feeding bins 2, rubber covered edges are arranged at the joint parts of the material blocking blades 19 and the inner walls of the feeding bins 2, so that materials are prevented from leaking into the hopper body 1 from gaps between the material blocking blades 19 and the feeding bins 2, accurate metering and uniform feeding of the materials are influenced, and 8-12 groups of material blocking blades 19 are also annularly distributed on a part of the shaft wall of the driven shaft 11 extending into the other feeding bin 2; one end of the driving shaft 10, which is far away from the driving gear 12, extends out of the hopper body 1 and is connected with a driving motor 20, the shell of the driving motor 20 is fixedly connected to the upper part of one side wall of the hopper body 1 through a support frame, two side walls of the hopper body 1 are respectively provided with a bearing hole which is sleeved with the driving shaft 10 and the driven shaft 11, and the two feeding bins 2 and the differential case 9 are also respectively provided with a bearing hole which is sleeved with the driving shaft 10 and the driven shaft 11; a material valve 21 is arranged at the bottom opening of the hopper body 1.
Referring to fig. 1, the scale 7 is composed of a scale bar I starting from the left end of the horizontal sliding groove 6 to the middle part of the horizontal sliding groove 6 and a scale bar II starting from the right end of the horizontal sliding groove 6 to the middle part of the horizontal sliding groove 6, so that the relative size of the bottom opening areas of the two feeding bins 2 can be calculated quickly, if the left sliding pin 5 is located at the maximum reading position of the scale bar II when the left sliding pin 5 is located at the reading 0 of the scale bar I, the left feeding bin 2 is completely closed, and the right feeding bin 2 is completely opened.
Referring to fig. 1, the transparent elastic sealing cloth 8 is specifically a latex or silicone cloth strip with a thickness of 1-2 mm. The position of the movable striker plate 3 is adjusted by loosening and pulling the fastening knob 4, the position of the movable striker plate 3 is fixed after the striker plate is screwed, the transparent elastic sealing cloth 8 plays a role in stretching and sealing, and the fastening knob 4 can seal the end parts of the two transparent elastic sealing cloths 8 when the striker plate is screwed.
Referring to fig. 1, the driving gear 12, the driven gear 13, the rolling gear 14 and the adjusting gear 16 are all bevel gears of 45 degrees, and the driving gear 12, the driven gear 13, the rolling gear 14 and the adjusting gear 16 have the same size and the same number of teeth, so that the gear transmission ratio can be conveniently calculated and calculated during control and design.
Referring to fig. 1, the gear ratio of the ring gear 15 to the adjusting gear 16 is 5 to 10: 1.
the utility model discloses a working process: when the device is used, the driving shaft 10 of the driving motor 20 drives the material blocking blade 19 of one feeding bin 2 to rotate, and the adjusting rotating shaft 17 of the adjusting motor 18 drives the adjusting gear 16 and the gear ring 15 to rotate;
when the gear ring 15 is static, the rolling gears 14 do not generate precession rotation around the driving shaft 10, only generate rotation around the shaft, and the rotating speeds of the two groups of rolling gears 14 are opposite, so that the power of the driving gear 12 is completely transmitted to the driven gear 13, at the moment, the rotating speeds of the driving gear 12 and the driven gear 13 are the same, and if the movable material baffle 3 is not arranged or the movable material baffle 3 is positioned at the middle position of the two feeding bins 2, the discharging speeds of the two groups of feeding bins 2 are the same;
the rotating speed and the rotating direction of the motor 18 are adjusted and adjusted, the gear ring 15 and the rolling gear 14 generate precession rotation around the driving shaft 10, when the precession rotating direction of the gear ring 15 is the same as the rotating direction of the driving shaft 10, the precession rotation can accelerate the autorotation rotating speed of the rolling gear 14, so that the rotating speed of the driven shaft 11 is accelerated, and vice versa, so that the blanking speeds of the two feeding bins 2 are different, and the blanking speeds of the two feeding bins 2 can be multiplied by matching with the material blocking function of the movable material blocking plate 3;
in principle, in a certain rotating speed range, the rotating speed of the material blocking blades 19 and the material blocking area of the movable material blocking plate 3 determine the blanking speed of the feeding bins 2, the rotating speed ratio of the driving shaft to the driven shaft 11 determines the ratio of the total discharging volume of the two feeding bins 2 in unit time, the ratio of the readings of the two sliding pins 5 on the graduated scale 7 is the area ratio of the blanking ports of the two feeding bins 2, and the ratio of the total discharging volume is multiplied by the area ratio of the blanking ports to obtain the blanking speed ratio of the two feeding bins 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The partitioned feeding hopper special for the machine-made sand concrete mixer comprises a hopper body (1) and is characterized in that two groups of feeding bins (2) which are the same in size and are arranged in parallel are inlaid on the top wall of the hopper body (1), a material receiving lotus leaf edge is arranged at the top opening of any one of the feeding bins (2), a sealing rubber ring is wrapped at the bottom opening of any one of the feeding bins (2), a movable material baffle plate (3) is arranged below the feeding bin (2), the width of the movable material baffle plate (3) is equal to the sum of the width of the bottom opening of the feeding bin (2) and the width of the space between the two feeding bins (2), and the upper surface of the movable material baffle plate (3) is in sealing contact with one or two bottom openings of the two feeding bins (2);
the center position of the two symmetrical side walls of the movable material baffle plate (3) is provided with a fastening knob (4), the two end positions of the two symmetrical side walls of the movable material baffle plate (3) are provided with sliding pins (5) which are symmetrically arranged along the fastening knob (4), the side wall of the hopper body (1) is provided with a horizontal sliding chute (6) which is in sliding fit with the sliding pins (5), the length of the horizontal sliding chute (6) is equal to the distance between the leftmost opening at the bottom of one feeding bin (2) and the rightmost opening at the bottom of the other feeding bin (2), the upper edge of the opening at the outer side of the horizontal sliding chute (6) is provided with a graduated scale (7), the fastening knob (4) consists of a screw section and an anti-skidding round block which are screwed into the side wall of the movable material baffle plate (3), the screw section passes through the horizontal sliding chute (6), and the inner side of the anti-skidding, two pieces of transparent elastic sealing cloth (8) are fixedly connected to the inner side surface of the anti-skid round block, one side, far away from the anti-skid round block, of one piece of transparent elastic sealing cloth (8) is fixedly connected to one end of the horizontal sliding groove (6), and the other side, far away from the anti-skid round block, of the other piece of transparent elastic sealing cloth (8) is fixedly connected to the other end of the horizontal sliding groove (6);
two be equipped with differential case (9) between feeding storehouse (2), driving shaft (10) have been erect to the lower part in one of them feeding storehouse (2), another driven shaft (11) have been erect to the lower part in feeding storehouse (2), the one end rigid coupling that driving shaft (10) stretched into differential case (9) has driving gear (12), driven shaft (11) stretch into one end rigid coupling in differential case (9) has driven gear (13), the meshing has two sets of rolling gear (14) between driving gear (12) and driven gear (13), two sets of rolling gear (14) are the symmetry setting, arbitrary rolling gear (14) center is through the round pin axle rigid coupling on the inside wall of ring gear (15), the tooth track meshing of ring gear (15) lateral wall has adjusting gear (16), adjusting gear (16) side center rigid coupling has regulation rotation axis (17), the adjusting rotating shaft (17) is connected with an adjusting motor (18), and the shell of the adjusting motor (18) is fixedly connected to the inner wall of the differential case (9);
8-12 groups of material blocking blades (19) are annularly distributed on a part of the shaft wall of the driving shaft (10) extending into one of the feeding bins (2), rubber covered edges are arranged at the joint parts of the material blocking blades (19) and the inner walls of the feeding bins (2), and 8-12 groups of material blocking blades (19) are also annularly distributed on a part of the shaft wall of the driven shaft (11) extending into the other feeding bin (2);
one end, far away from the driving gear (12), of the driving shaft (10) extends out of the hopper body (1) and is connected with a driving motor (20), a shell of the driving motor (20) is fixedly connected to the upper position of one side wall of the hopper body (1) through a support frame, bearing holes sleeved with the driving shaft (10) and the driven shaft (11) are formed in two side walls of the hopper body (1), and bearing holes sleeved with the driving shaft (10) and the driven shaft (11) are formed in the two feeding bins (2) and the differential case (9) respectively;
a material valve (21) is arranged at an opening at the bottom of the hopper body (1).
2. The zoned feed hopper special for machine-made sand concrete mixers in claim 1, wherein the graduated scale (7) is composed of a graduated strip I starting from the left end of the horizontal chute (6) to the middle of the horizontal chute (6) and a graduated strip II starting from the right end of the horizontal chute (6) to the middle of the horizontal chute (6).
3. The zoned feed hopper dedicated to machine-made sand concrete mixers according to claim 1, characterized in that the transparent elastic sealing cloth (8) is in particular a latex or silicone cloth strip with a thickness of 1-2 mm.
4. The zoned feed hopper special for machine-made sand concrete mixers as claimed in claim 1, wherein the driving gear (12), the driven gear (13), the rolling gear (14) and the adjusting gear (16) are all bevel gears of 45 degrees, and the driving gear (12), the driven gear (13), the rolling gear (14) and the adjusting gear (16) have the same single tooth size and the same number of teeth.
5. The zoned feed hopper for machine-made sand concrete mixers as claimed in claim 4, characterized in that the ratio of the number of teeth of the ring gear (15) to the number of teeth of the adjusting gear (16) is 5-10: 1.
CN202021824196.3U 2020-08-27 2020-08-27 Special partition type feed hopper for machine-made sand concrete mixer Active CN213084780U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021824196.3U CN213084780U (en) 2020-08-27 2020-08-27 Special partition type feed hopper for machine-made sand concrete mixer

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Application Number Priority Date Filing Date Title
CN202021824196.3U CN213084780U (en) 2020-08-27 2020-08-27 Special partition type feed hopper for machine-made sand concrete mixer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115056349A (en) * 2022-07-21 2022-09-16 陕西百固建材有限公司 Powder adding equipment for concrete production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115056349A (en) * 2022-07-21 2022-09-16 陕西百固建材有限公司 Powder adding equipment for concrete production
CN115056349B (en) * 2022-07-21 2024-05-28 陕西百固建材有限公司 Powder adding equipment for concrete production

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