CN111823402A

CN111823402A - Automatic bag opening equipment for adding cement for concrete mixing

Info

Publication number: CN111823402A
Application number: CN202010740247.2A
Authority: CN
Inventors: 谢小垅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-10-27

Abstract

The invention discloses automatic bag opening equipment for adding cement for concrete stirring, relates to the technical field of constructional engineering, and solves the problems that the existing bag opening equipment for cement bags is complex in structure and difficult to meet the use requirements of small-sized constructional engineering, and manual bag opening operation on the cement bags is low in efficiency and easy to cause great damage to human bodies. An automatic bag opening device for adding cement for concrete mixing comprises a mounting frame, a conveying wheel, a conveying belt, a pinion, a mounting plate, a fixing plate, a driving motor and the like; a spout has been seted up on the mounting bracket, the transfer gear is installed to the both ends of mounting bracket all rotary type, two be connected with conveyer belt and conveyer belt between the transfer gear and be provided with the ripple on the conveyer belt. The cement bag opening device can be used for quickly opening the cement bag, improves the bag opening efficiency of the cement bag, can automatically pour cement into the stirring hopper after the cement bag is opened, and can better meet the use requirements of small-sized building engineering.

Description

Automatic bag opening equipment for adding cement for concrete mixing

Technical Field

The invention relates to the technical field of constructional engineering, in particular to automatic bag opening equipment for adding cement for concrete stirring.

Background

Cement is the essential raw and other materials among the building engineering, and cement generally packs with the sack, makes things convenient for later stage storage and transportation, so need open the cement bag earlier before using cement and make the cement in the sack can pour out, and the bag mode of opening of traditional cement bag is that the workman takes the knife to pour cement out after the cement bag lacerates, and this kind of cement bag mode of opening is not only inefficiency, and the workman can inhale a large amount of dusts when pouring cement and cause great harm to workman's health. In order to meet the requirement for using a large amount of cement in the building engineering, professional cement bag opening machines or bag breaking machines appear on the market, although the defects of manual bag opening are made up to a certain extent by the aid of the devices, the devices can only be connected with large stirring equipment to work, only ton-sized cement bags can be opened, the structure is complex, the cost is high, the devices are not suitable for small building engineering, and therefore the conventional bag opening mode is still used in the existing small building engineering.

Disclosure of Invention

The invention aims to provide cement adding automatic bag opening equipment for concrete stirring, which can quickly open a cement bag, can automatically pour cement into a stirring hopper after the cement bag is opened, and can better meet the use requirement of small-sized building engineering, so as to solve the problems in the background technology.

An automatic bag opening device for adding cement for concrete stirring comprises a mounting frame, a conveying wheel, a conveying belt, a pinion, a mounting plate, a fixing plate, a driving motor, a power sector gear, a tooth-lacking bevel gear, a rotating shaft, a small bevel gear, a transmission gear, a bag opening mechanism, a fixing shaft, a fixing gear, a rotating disc and a rotating mechanism, wherein the conveying wheel is rotatably mounted at two ends of the mounting frame, the conveying belt is connected between the two conveying wheels, corrugations are arranged on the conveying belt, the pinion is fixedly mounted at one end of one conveying wheel, two symmetrical mounting plates are fixedly mounted at one side face of the mounting frame, the fixing plate is fixedly mounted at one side face of one mounting plate, the driving motor is fixedly mounted on the fixing plate, the power sector gear is mounted on an output shaft of the driving motor through a bearing and meshed with the pinion, the tooth-lacking bevel gear and the, the utility model discloses a bag opening mechanism, including axis of rotation, bevel gear, drive gear, fixed axle and carousel, the axis of rotation passes through the bearing and installs on the fixed plate, bevel gear fixed mounting just meshes with the lacuna tooth bevel gear in the one end of axis of rotation, drive gear fixed mounting is at the other end of axis of rotation, open bag mechanism and install on two mounting panels, fixed axle fixed mounting is in the one end of two mounting panels, fixed gear of bisymmetry is fixed to fixed epaxial fixed axle, the carousel rotary type is installed on the fixed axle and has been seted up two.

In addition, it is particularly preferred that the bag opening mechanism comprises a guide block, a first rack, a homing spring and a scriber, wherein the guide block is fixedly installed at one end of each of the two installation plates, the first rack is slidably installed on the guide block and meshed with the transmission gear, the homing spring is installed between one end of the first rack and one end of the guide block, and the scriber is fixedly installed on one side face of the first rack.

In addition, it is particularly preferable that the rotating mechanism includes a first rotating shaft, a first gear, a second rotating shaft, a first transmission sector gear, a connecting frame, a power motor, a sliding hook and a return spring, the first rotating shaft is mounted on the rotating disc through a bearing and is close to the fixed shaft, both ends of the first rotating shaft are fixedly mounted with the first gear and the first gear is meshed with the fixed gear, the first rotating shaft is fixedly mounted with two symmetrical second gears, the second rotating shaft is mounted on the rotating disc through a bearing and is located below the first rotating shaft, both ends of the second rotating shaft are fixedly mounted with the first transmission sector gear and the second transmission sector gear is meshed with the second gear, the connecting frame is fixedly mounted on one side surface of the rotating disc, the power motor is fixedly mounted on the connecting frame and an output shaft of the power motor is fixedly connected with one end of the second rotating shaft, the sliding hook is slidably mounted in two, and a return spring is arranged between the sliding hook and the bottom of the rotating disc.

In addition, especially preferred is, still including lifting mechanism, lifting mechanism installs on the rolling disc and is connected with rotary mechanism, lifting mechanism includes rotation axis three, gear three and rack two, the rotation axis three is passed through the bearing and is installed on the rolling disc and be located the below of rotation axis two, gear three and the meshing of transmission sector gear are all installed at the both ends of rotation axis three, the both sides of slip hook fixed mounting respectively have rack two and the meshing of gear three.

In addition, especially preferred is, still including preventing the mechanism that moves back, prevent that the mechanism that moves back installs on mounting bracket and one of them transfer gear, prevent that the mechanism that moves back includes slider, extrusion spring, kelly and chuck, seted up a spout and slider slidingtype on the mounting bracket and installed in the spout, install the extrusion spring between the side of slider and the mounting bracket, kelly fixed mounting is in the another side of slider, chuck fixed mounting has seted up a plurality of draw-in grooves on the other end of one of them transfer gear and chuck, the one end of kelly can contact with the draw-in groove on the chuck.

The invention has the beneficial effects that: firstly, the rotating disc drives the sliding hook to rotate, so that bagged cement on the conveying belt can be hooked, the sliding hook can lift the cement bag under the auxiliary action of the lifting mechanism, and convenience is provided for the rapid bag opening operation of the scraper on the cement bag in the moving process.

In the invention, the cement bag is lifted above the stirring hopper through the sliding hook, so that after the bag opening operation of the scraper on the cement bag is completed, cement in the cement bag can automatically fall into the stirring hopper for stirring, and the problem that a large amount of dust is sucked manually in the traditional manual bag opening and cement pouring mode is solved.

The chuck is clamped by the clamping rod, so that the phenomenon that the conveying belt is driven by the conveying wheel to rotate randomly when the cement bag is opened can be prevented, and further, the cement on the conveying belt slides under the action of gravity can be prevented.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a third perspective view of the present invention.

Fig. 4 is an enlarged perspective view of the present invention a.

Fig. 5 is a schematic partial perspective view of a first embodiment of the present invention.

Fig. 6 is a second partial perspective view of the present invention.

Fig. 7 is a third partial perspective view of the present invention.

Fig. 8 is a schematic view of a partially separated three-dimensional structure according to the present invention.

Fig. 9 is an enlarged perspective view of the present invention B.

FIG. 10 is a schematic diagram of a separated perspective structure of the anti-backup mechanism of the present invention.

In the figure: 1-mounting rack, 2-conveying wheel, 3-conveying belt, 4-pinion, 5-mounting board, 6-fixing board, 7-driving motor, 8-power sector gear, 9-missing tooth bevel gear, 10-rotating shaft, 11-small bevel gear, 12-transmission gear, 13-guide block, 14-rack I, 15-homing spring, 16-knife, 17-fixed shaft, 171-fixed gear, 18-rotating disk, 19-rotating shaft I, 20-gear I, 21-gear II, 22-rotating shaft II, 23-transmission sector gear, 24-connecting rack, 25-power motor, 26-sliding hook, 27-reset spring, 28-rotating shaft III, 29-gear III, 30-rack II, 31-anti-back-off mechanism, 311-slide block, 312-extrusion spring, 313-clamping rod and 314-clamping disk.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example one

An automatic bag opening device for adding cement for concrete mixing is disclosed, as shown in fig. 1-10, and comprises a mounting frame 1, conveying wheels 2, conveying belts 3, pinions 4, a mounting plate 5, a fixing plate 6, a driving motor 7, a power sector gear 8, a tooth-missing bevel gear 9, a rotating shaft 10, a small bevel gear 11, a transmission gear 12, a bag opening mechanism, a fixing shaft 17, a fixing gear 171, a rotating disc 18 and a rotating mechanism, wherein a chute is formed in the mounting frame 1, the conveying wheels 2 are rotatably mounted at both ends of the mounting frame 1, the conveying belts 3 for driving bagged cement are connected between the two conveying wheels 2, corrugations are arranged on the conveying belts 3, the pinions 4 are fixedly mounted at one end of one of the conveying wheels 2, two symmetrical mounting plates 5 are fixedly mounted on one side surface of the mounting frame 1, and the mounting plates 5 are close to one of the conveying wheels 2, the fixed plate 6 is fixedly arranged on one side surface of one of the mounting plates 5 and is close to the pinion 4, the driving motor 7 is fixedly arranged on the fixed plate 6, the power sector gear 8 is arranged on an output shaft of the driving motor 7 through a bearing and is meshed with the pinion 4, the tooth-missing bevel gear 9 is coaxially arranged with the power sector gear 8, the rotating shaft 10 is arranged on the fixed plate 6 through a bearing and is close to the tooth-missing bevel gear 9, the small bevel gear 11 is fixedly arranged at one end of the rotating shaft 10 close to one of the conveying wheels 2 and is meshed with the tooth-missing bevel gear 9, the transmission gear 12 is fixedly arranged at the other end of the rotating shaft 10 and is close to one of the mounting plates 5, the bag opening mechanism for carrying out quick bag opening operation on the cement bags is arranged on the two mounting plates 5, the fixed shaft 17 is fixedly arranged at the upper ends of the, the fixed shaft 17 is fixedly provided with two symmetrical fixed gears 171, the rotating disc 18 is rotatably arranged on the fixed shaft 17, two grooves are formed in the rotating disc 18, the rotating disc 18 is located between the two fixed gears 171, and the rotating mechanism for driving the rotating disc 18 to rotate is arranged on two side faces of the rotating disc 18.

Further, the bag opening mechanism comprises a guide block 13, a first rack 14, a homing spring 15 and a scraper 16, the guide block 13 is fixedly mounted at the lower end of the mounting plate 5, the first rack 14 is slidably mounted on the guide block 13 and meshed with the transmission gear 12, the homing spring 15 is mounted between one end of the first rack 14 and one end of the guide block 13, and the scraper 16 for opening the cement bag is fixedly mounted on one side face of the first rack 14 and located below one of the transmission wheels 2.

Further, the rotating mechanism comprises a first rotating shaft 19, a first gear 20, a second gear 21, a second rotating shaft 22, a transmission sector gear 23, a connecting frame 24, a power motor 25, a sliding hook 26 and a return spring 27, wherein the first rotating shaft 19 is mounted on the rotating disc 18 through a bearing and is close to the fixed shaft 17, the first gear 20 is fixedly mounted at two ends of the first rotating shaft 19, the first gear 20 is meshed with the fixed gear 171, the second symmetrical gear 21 is fixedly mounted on the first rotating shaft 19, the second rotating shaft 22 is mounted on the rotating disc 18 through a bearing and is located below the first rotating shaft 19, the transmission sector gear 23 is fixedly mounted at two ends of the second rotating shaft 22, the transmission sector gear 23 is meshed with the second gear 21, the connecting frame 24 is fixedly mounted on one side surface of the rotating disc 18 and is located below the fixed shaft 17, the power motor 25 is fixedly mounted on the connecting frame 24, and an output shaft of the power motor 25 is fixedly connected with one end of the second rotating shaft, the sliding hooks 26 for hooking the bagged cement on the conveyor belt 3 are slidably mounted in the two grooves on the rotating disc 18 and penetrate through the fixed shaft 17, and a return spring 27 is mounted between the sliding hooks 26 and the bottom of the rotating disc 18.

Further, the lifting mechanism is used for assisting the sliding hook 26 to lift the hooked bagged cement, the lifting mechanism is installed on the rotating disc 18 and connected with the rotating mechanism, the lifting mechanism comprises a third rotating shaft 28, a third gear 29 and a second rack 30, the third rotating shaft 28 is installed on the rotating disc 18 through a bearing and located below the second rotating shaft 22, the third gear 29 is installed at two ends of the third rotating shaft 28, the third gear 29 is meshed with the transmission sector gear 23, the second rack 30 is fixedly installed on two sides of the sliding hook 26, the second rack 30 is meshed with the third gear 29, and the second rack 30 and the third gear 29 are matched to work to drive the sliding hook 26 to move upwards.

When a large amount of cement bags need to be unpacked, workers firstly carry the equipment to one side of a stirrer and enable a stirring hopper to be positioned below two mounting plates 5, the bagged cement is carried to the right part of a conveyor belt 3, the conveyor belt 3 is obliquely arranged, so that the workers can more conveniently carry the bagged cement to the conveyor belt 3, then the workers start a driving motor 7 to rotate clockwise, the driving motor 7 can drive a power sector gear 8 and a tooth-lacking bevel gear 9 to rotate clockwise, when the power sector gear 8 is meshed with a pinion 4, the power sector gear can drive the power sector gear 8 to rotate anticlockwise, the pinion 4 can drive one of the conveying wheels 2 to rotate anticlockwise, and at the moment, the conveyor belt 3 can drive the bagged cement to be driven to the left to be positioned below a sliding hook 26; when the power sector gear 8 is disengaged from the pinion 4, the toothless bevel gear 9 is just meshed with the small bevel gear 11, the toothless bevel gear 9 drives the rotating shaft 10 and the transmission gear 12 to rotate anticlockwise through the small bevel gear 11, and the transmission gear 12 drives the first rack 14 and the scriber 16 to move forwards.

A worker starts the power motor 25 to rotate anticlockwise, the power motor 25 can drive the second rotating shaft 22 and the two transmission sector gears 23 to rotate anticlockwise, when the transmission sector gears 23 are meshed with the second gears 21, the second gears 21 can drive the first gears 20 to rotate clockwise through the first rotating shafts 19, at the moment, the rotating disc 18 can drive the sliding hooks 26 to rotate clockwise, and the sliding hooks 26 can be contacted with and hook cement bags on the conveyor belt 3 in the clockwise rotating process; when the transmission sector gear 23 is disengaged from the second gear 21, the transmission sector gear 23 is just meshed with the third gear 29, the third gear 29 can drive the third gear 29 to rotate clockwise, the third gear 29 can drive the sliding hook 26 to move upwards through the second rack 30, so that the sliding hook 26 can lift a hooked cement bag, the lower part of the cement bag can be located between the mounting frame 1 and the guide block 13 after being lifted by the sliding hook 26, the scribing knife 16 can be in contact with and cut the cement bag in the forward moving process, cement in the cement bag can be automatically poured into the stirring hopper, a worker can take down the cement bag from the sliding hook 26 after the cement in the cement bag is completely poured out, and at the moment, under the auxiliary action of the reset spring 27, the sliding hook 26 can drive the second racks 30 to move upwards to reset. After the bag opening operation of one bag of cement is completed, under the auxiliary action of the return spring 15, the rack I14 drives the cutter 16 to move backwards and return, then the operation is repeated, the bag opening operation of the next bag of cement can be performed, and after the bag opening operation of all cement bags is completed, a worker closes the driving motor 7 and the power motor 25.

Example two

On the basis of the first embodiment, as shown in fig. 9-10, an anti-fall back mechanism 31 for preventing bagged cement on the conveyor belt 3 from falling behind is further included, the anti-reverse mechanism 31 is mounted on the mounting frame 1 and one of the transmission wheels 2, the anti-reverse mechanism 31 comprises a slide block 311, an extrusion spring 312, a clamping rod 313 and a clamping disc 314, a sliding groove is arranged on the mounting rack, the sliding block is arranged in the sliding groove in a sliding way, an extrusion spring 312 is arranged between the bottom side surface of the sliding block 311 and the mounting rack 1, the clamping rod 313 is fixedly arranged on the upper side surface of the sliding block 311, the chuck 314 is fixedly arranged on one end of one of the transmission wheels 2 far away from the pinion 4, seven clamping grooves are arranged on the chuck 314, the upper end of the clamping rod 313 can be contacted with a clamping groove on the chuck 314, and the clamping rod 313 and the chuck 314 can be matched to work to prevent the transmission wheel 2 from rotating freely.

In order to prevent the bagged cement conveyed below the sliding hook 26 from sliding off to the right, when the conveyor belt 3 conveys the bagged cement below the sliding hook 26 and stops conveying to the left, a worker can push the sliding block 311 to move upwards, the extrusion spring 312 stretches upwards, so that the clamping rod 313 can clamp a person into the clamping groove on the chuck 314, one of the conveyor wheels 2 can be effectively prevented from driving the conveyor belt 3 and the other conveyor wheel 2 to rotate randomly, and the condition that the cement on the conveyor belt 3 slides off under the action of gravity can be avoided. When the conveyor belt 3 needs to drive the cement bag to transmit leftwards, a worker pulls the sliding block 311 to move downwards, the extrusion spring 312 is compressed downwards to reset, the sliding block 311 can drive the clamping rod 313 to move downwards to be separated from the chuck 314, and at the moment, the conveyor belt 3 can be driven by the conveyor wheel 2 to continue rotating.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. An automatic bag opening device for adding cement for concrete stirring is characterized by comprising a mounting frame, conveying wheels, a conveying belt, a pinion, a mounting plate, a fixing plate, a driving motor, a power sector gear, a tooth-missing bevel gear, a rotating shaft, a small bevel gear, a transmission gear, a bag opening mechanism, a fixing shaft, a fixing gear, a rotating disc and a rotating mechanism, wherein the conveying wheels are rotatably mounted at two ends of the mounting frame, the conveying belt is connected between the two conveying wheels, corrugations are arranged on the conveying belt, the pinion is fixedly mounted at one end of one conveying wheel, two symmetrical mounting plates are fixedly mounted on one side face of the mounting frame, the fixing plate is fixedly mounted on one side face of one mounting plate, the driving motor is fixedly mounted on the fixing plate, the power sector gear is mounted on an output shaft of the driving motor through a bearing and meshed with, the novel bag opening mechanism is characterized in that the tooth-missing bevel gear and the power sector gear are coaxially arranged, the rotating shaft is installed on the fixing plate through a bearing, the small bevel gear is fixedly installed at one end of the rotating shaft and meshed with the tooth-missing bevel gear, the transmission gear is fixedly installed at the other end of the rotating shaft, the bag opening mechanism is installed on the two installation plates, the fixing shaft is fixedly installed at one end of the two installation plates, the fixing gears are symmetrically arranged on the fixing shaft in a fixed mode, the rotating disc is rotatably installed on the fixing shaft, two grooves are formed in the rotating disc, and the rotating mechanism is installed on two.

2. The automatic cement adding bag opening device for concrete mixing as recited in claim 1, wherein said bag opening mechanism comprises a guide block, a first rack, a return spring and a scraper, the guide block is fixedly mounted at one end of each of said mounting plates, said first rack is slidably mounted on the guide block and engaged with the transmission gear, the return spring is mounted between one end of said first rack and one end of the guide block, and said scraper is fixedly mounted on one side surface of said first rack.

3. The automatic cement adding bag opening device for concrete mixing according to claim 2, wherein the rotating mechanism comprises a first rotating shaft, a first gear, a second rotating shaft, a first transmission sector gear, a connecting frame, a power motor, a sliding hook and a return spring, the first rotating shaft is mounted on the rotating disc through a bearing and is close to the fixed shaft, the first rotating shaft is fixedly mounted at two ends of the first rotating shaft and is meshed with the first fixed gear, the second rotating shaft is fixedly mounted on the first rotating shaft and is symmetrically mounted on the second rotating shaft, the second rotating shaft is mounted on the rotating disc through a bearing and is positioned below the first rotating shaft, the second rotating shaft is fixedly mounted at two ends of the second rotating shaft and is meshed with the second transmission sector gear, the connecting frame is fixedly mounted on one side surface of the rotating disc, the power motor is fixedly mounted on the connecting frame and is fixedly connected with one end of the second rotating shaft through an output, the sliding hooks are slidably mounted in the two grooves in the rotating disc and penetrate through the fixing shaft, and the reset spring is mounted between the sliding hooks and the bottom of the rotating disc.

4. The automatic cement adding bag opening device for concrete mixing as recited in claim 3, further comprising a lifting mechanism, said lifting mechanism is mounted on the rotating disc and connected with the rotating mechanism, said lifting mechanism comprises a third rotating shaft, a third gear and a second rack, said third rotating shaft is mounted on the rotating disc through a bearing and located below the second rotating shaft, both ends of said third rotating shaft are mounted with the third gear which is engaged with the transmission sector gear, both sides of said sliding hook are respectively fixedly mounted with the second rack and the second rack is engaged with the third gear.

5. The automatic cement adding bag opening equipment for concrete mixing according to claim 1 is characterized by further comprising an anti-reversing mechanism, wherein the anti-reversing mechanism is installed on the installation frame and one of the conveying wheels, the anti-reversing mechanism comprises a sliding block, an extrusion spring, a clamping rod and a chuck, a sliding groove is formed in the installation frame, the sliding block is installed in the sliding groove, the extrusion spring is installed between one side face of the sliding block and the installation frame, the clamping rod is fixedly installed on the other side face of the sliding block, the chuck is fixedly installed at the other end of one of the conveying wheels, a plurality of clamping grooves are formed in the chuck, and one end of the clamping rod can be in contact with the clamping grooves in the chuck.