Raw material conveying device for concrete stirring

Abstract

The utility model discloses a raw material conveying device for concrete mixing, and relates to the technical field of conveying devices, the raw material conveying device for concrete mixing comprises a spiral conveyor, a movable supporting assembly and a communicating assembly, the spiral conveyor is composed of a conveying cylinder, a discharging port and a feeding hopper, and the movable supporting assembly comprises a moving unit and a lifting unit; the moving unit is used for providing supporting and moving operation for the spiral conveyor, and the lifting unit is used for adjusting the inclination angle of the conveying cylinder. And the communicating assembly is used for keeping the feeding hopper and the conveying barrel in a communicating state when the conveying barrel rotates and is adjusted. According to the feeding device, convenient movement and lifting adjustment of the spiral conveyor can be achieved through the movable supporting assembly, so that feeding operation can be conducted on concrete mixing equipment with different heights, in the conveying cylinder adjusting process, the feeding hopper is kept fixed, the top of the feeding hopper is kept in a stable horizontal state through the communicating assembly, and the feeding efficiency is improved. And therefore, manual feeding operation on the feeding hopper is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying device technical field, concretely is a raw material conveying device for concrete mixing. BACKGROUND

[0002] Concrete generally refers to cement as cementitious material, sand, stone as aggregate, with water (may contain admixture and admixture) according to certain proportion, after mixing, the cement concrete, also called ordinary concrete, it is widely used in civil engineering.

[0003] Because the height of some existing concrete mixing equipment is higher, the traditional manual feeding cannot realize raw material feeding operation, therefore needs to be assisted by conveying device to feed, and the screw conveyor is one of commonly used equipment for conveying concrete sand and stone raw materials, and the screw conveyor is a kind of machinery that utilizes motor to drive spiral rotation to push material to achieve conveying purpose, it can horizontally, obliquely or vertically convey, and has the advantages of simple structure, small cross-sectional area, good sealing, convenient operation, easy maintenance, easy to seal transportation and the like.

[0004] In order to adapt to the feeding requirements of concrete mixing equipment of different heights, there are angle-adjustable screw conveyors on the market, and the height of the discharge port position can be adjusted by adjusting the inclination angle of the screw conveyor, but since the feeding hopper on the screw conveyor is fixed on the conveying cylinder, when the inclination angle of the screw conveyor is adjusted, the feeding hopper is inclined synchronously, for example: the top of the feeding hopper is in a horizontal state in the conventional state, when the angle of the screw conveyor is adjusted downward, the top of the feeding hopper is in an inclined state, which will cause inconvenience to the manual feeding operation of the feeding hopper, based on this, a raw material conveying device for concrete mixing is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the problems in the above background, provide a raw material conveying device for concrete mixing.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a raw material conveying device for concrete mixing, including screw conveyor composed of conveying cylinder, discharge port, feeding hopper and mobile support assembly, the discharge port is fixed on the lower surface of the upper end of the conveying cylinder and is in communication with the inner side of the conveying cylinder, the feeding hopper is distributed above the lower end of the conveying cylinder and is connected with the mobile support assembly, the mobile support assembly includes mobile unit, lifting unit;

[0007] The mobile unit is used to provide support and movement operation for the screw conveyor, and the lifting unit is used to adjust the inclination angle of the conveying cylinder;

[0008] The communicating assembly is arranged between the feeding hopper and the moving unit, and is used for keeping the feeding hopper and the conveying cylinder in a communicating state when the conveying cylinder is adjusted in rotation.

[0009] As a further scheme of the utility model: the moving unit includes a moving frame, universal wheels, fixed side plates;

[0010] The universal wheels are arranged in a matrix distribution and are installed at the bottom of the moving frame, and the moving frame is below the conveying cylinder.

[0011] The fixed side plates are symmetrically fixed at the top of the moving frame and are upwardly extended and fixedly connected with the outer side of the feeding hopper, and are used for providing support for the feeding hopper.

[0012] As a further scheme of the utility model: the lifting unit includes straight slot connectors, lifting arms, straight line sliding grooves and electric push rods;

[0013] The straight slot connector is welded and fixed to the lower surface of the middle part of the conveying cylinder, the lifting arms are arranged in two, the bottom ends of the two lifting arms are rotationally connected with the moving frame, the top ends of the two lifting arms are symmetrically fitted on the two sides of the straight slot connector and are slidably connected with the inner wall of the straight slot connector through connecting pins;

[0014] The straight line sliding groove is opened in the middle side of the lifting arm and penetrates to the other side, the output ends of the electric push rods are arranged in the middle of the two lifting arms and are slidably connected with the straight line sliding groove through connecting pins, and the tail end of the shell of the electric push rod is rotationally connected with the moving frame.

[0015] When the electric push rod operates, the transmission of the lifting arm and the straight slot connector is used to realize the rotation adjustment of the conveying cylinder.

[0016] As a further scheme of the utility model: the communicating assembly includes a hemispherical connecting sleeve, a hemispherical rotating sleeve and a connecting pipe;

[0017] The hemispherical connecting sleeve is fixed to the bottom of the feeding hopper, the hemispherical rotating sleeve is rotationally connected to the inner side of the hemispherical connecting sleeve and protrudes from the bottom of the hemispherical connecting sleeve, the connecting pipe is fixed to the bottom end of the hemispherical rotating sleeve and is fixedly connected with the upper surface of the conveying cylinder, and the connecting pipe is in communication with the inner side of the conveying cylinder.

[0018] Through the relative rotation structure of the hemispherical rotating sleeve and the hemispherical connecting sleeve, the feeding hopper and the inner side of the conveying cylinder are kept in a communicating state when the conveying cylinder is adjusted in rotation.

[0019] As a further scheme of the utility model: the communicating assembly further includes connecting rods, connecting arms and central rotating shafts;

[0020] The side surface of the fixed side plate is provided with an arc-shaped rail slot, and the connecting rod is symmetrically fixed to the outer wall of the conveying cylinder and is in sliding connection with the arc-shaped rail slot.

[0021] The connecting arm is fixed to the outer side of the connecting rod and is in close contact with the side surface of the fixed side plate, and the center rotating shaft is fixed to one side of the top of the connecting arm and is in rotating connection with the fixed side plate.

[0022] The center of the center rotating shaft, the center of the arc-shaped rail slot, the center of the hemispherical connecting sleeve and the center of the hemispherical rotating sleeve are located on the same horizontal line.

[0023] The center rotating shaft is used for providing a support center for the rotation of the conveying cylinder.

[0024] As a further scheme of the present application, the bottom of the feeding hopper extends into the hemispherical connecting sleeve, the upper edge of the hemispherical rotating sleeve is higher than the bottom of the feeding hopper in horizontal height, and the upper edge of the hemispherical rotating sleeve is lower than the top of the hemispherical connecting sleeve in horizontal height.

[0025] As a further scheme of the present application, the screw conveyor further comprises a driving motor, a first belt pulley, a second belt pulley and a belt.

[0026] The driving motor is fixed to the upper surface of the upper end of the conveying cylinder through a support, the first belt pulley is fixed to the output end of the driving motor, the rotating shaft of the spiral blade inside the conveying cylinder penetrates to the top of the conveying cylinder and is fixedly connected with the second belt pulley, and the belt is sleeved outside the first belt pulley and the second belt pulley.

[0027] Compared with the prior art, the present application has the following beneficial effects:

[0028] By setting the moving support assembly, the screw conveyor can be conveniently moved and adjusted in height, so that the feeding operation can be performed on the concrete mixing equipment of different heights, and by setting the communication assembly, the feeding hopper remains fixed during the adjustment of the conveying cylinder, and the top of the feeding hopper remains stable in horizontal state, so that the feeding operation of the feeding hopper can be conveniently performed manually. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 It is a structural schematic view of the present application;

[0030] Fig. 2 It is another perspective structural schematic view of the present application;

[0031] Fig. 3 It is a structural sectional view of the moving support assembly and the communication assembly of the present application.

[0032] In the figure: 1, spiral conveyor; 101, conveying cylinder; 102, discharge port; 103, driving motor; 104, first belt pulley; 105, second belt pulley; 106, belt; 107, feeding hopper; 2, moving support assembly; 201, moving frame; 202, universal wheel; 203, fixed side plate; 204, arc-shaped rail groove; 205, straight groove connecting piece; 206, lifting arm; 207, straight line sliding groove; 208, electric push rod; 3, communication assembly; 301, hemispherical connecting sleeve; 302, hemispherical rotating sleeve; 303, connecting pipe; 304, connecting rod; 305, connecting arm; 306, central rotating shaft. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Please refer to Figs. 1-3 In the embodiments of the utility model, a raw material conveying device for concrete mixing comprises a spiral conveyor 1 composed of a conveying cylinder 101, a discharge port 102 and a feeding hopper 107, and a moving support assembly 2. The discharge port 102 is fixed to the lower end of the conveying cylinder 101 and is in communication with the inner side of the conveying cylinder 101. The feeding hopper 107 is arranged above the lower end of the conveying cylinder 101 and is connected to the moving support assembly 2. The moving support assembly 2 comprises a moving unit and a lifting unit.

[0035] The moving unit is used for providing support and moving operation for the spiral conveyor 1, and the lifting unit is used for adjusting the inclination angle of the conveying cylinder 101.

[0036] The conveying cylinder 101, the feeding hopper 107 and the moving unit are provided with a communication assembly 3. The communication assembly 3 is used for keeping the feeding hopper 107 in communication with the conveying cylinder 101 when the conveying cylinder 101 is adjusted in rotation.

[0037] The moving unit comprises a moving frame 201, universal wheels 202 and fixed side plates 203.

[0038] The universal wheels 202 are arranged in a matrix and are installed at the bottom of the moving frame 201. The moving frame 201 is below the conveying cylinder 101.

[0039] The fixed side plates 203 are symmetrically fixed to the top of the moving frame 201 and extend upwards to be fixedly connected to the outer side of the feeding hopper 107, so as to provide support for the feeding hopper 107.

[0040] The lifting unit comprises a straight slot connector 205, a lifting arm 206, a straight line sliding slot 207, and an electric push rod 208.

[0041] The straight slot connector 205 is welded and fixed to the lower surface of the middle part of the conveying cylinder 101. The lifting arm 206 is provided with two bottom ends which are rotationally connected to the moving frame 201. The top ends of the two lifting arms 206 are symmetrically attached to the two sides of the straight slot connector 205 and are slidably connected to the inner wall of the straight slot connector 205 through a connecting pin.

[0042] The straight line sliding slot 207 is provided in the middle side of the lifting arm 206 and penetrates to the other side. The output end of the electric push rod 208 is distributed in the middle of the two lifting arms 206 and is slidably connected to the straight line sliding slot 207 through a connecting pin. The tail end of the shell of the electric push rod 208 is rotationally connected to the moving frame 201.

[0043] When the electric push rod 208 operates, the transmission of the lifting arm 206 and the straight slot connector 205 is used to realize the rotational adjustment of the conveying cylinder 101.

[0044] The communication assembly 3 comprises a hemispherical connecting sleeve 301, a hemispherical rotating sleeve 302, a connecting pipe 303, a connecting rod 304, a connecting arm 305, and a central rotating shaft 306.

[0045] The hemispherical connecting sleeve 301 is fixed to the bottom of the feeding hopper 107. The hemispherical rotating sleeve 302 is rotationally connected to the inner side of the hemispherical connecting sleeve 301 and protrudes from the bottom of the hemispherical connecting sleeve 301. The connecting pipe 303 is fixed to the bottom end of the hemispherical rotating sleeve 302 and is fixedly connected with the upper surface of the conveying cylinder 101. The connecting pipe 303 is in communication with the inner side of the conveying cylinder 101.

[0046] Through the relative rotation structure of the hemispherical rotating sleeve 302 and the hemispherical connecting sleeve 301, the feeding hopper 107 and the inner side of the conveying cylinder 101 are kept in a state of communication when the conveying cylinder 101 is rotationally adjusted.

[0047] An arc-shaped rail slot 204 is provided on the side of the fixed side plate 203. The connecting rod 304 is symmetrically fixed to the outer wall of the conveying cylinder 101 and is slidably connected with the arc-shaped rail slot 204.

[0048] The connecting arm 305 is fixed to the outer side of the connecting rod 304 and is attached to the side of the fixed side plate 203. The central rotating shaft 306 is fixed to one side of the top of the connecting arm 305 and is rotationally connected with the fixed side plate 203.

[0049] The center of the central rotating shaft 306, the center of the arc-shaped rail slot 204, and the centers of the hemispherical connecting sleeve 301 and the hemispherical rotating sleeve 302 are located on the same horizontal line.

[0050] The central rotating shaft 306 is used to provide a support center for the rotation of the conveying cylinder 101.

[0051] In the embodiment, the universal wheel 202 can realize the movement of the whole device, and the electric push rod 208 can realize the adjustment of the inclination angle of the conveying cylinder 101 through the cooperation of the lifting arm 206 and the straight groove connector 205, thereby adjusting the horizontal height of the discharge port 102, so as to adapt to the feeding operation of the concrete mixing equipment of different heights.

[0052] When the electric push rod 208 adjusts the inclination angle of the conveying cylinder 101, the conveying cylinder 101 rotates around the center rotating shaft 306, and at the same time, the hemispherical rotating sleeve 302 rotates concentrically inside the hemispherical connecting sleeve 301, and the channel composed of the hemispherical connecting sleeve 301, the hemispherical rotating sleeve 302 and the connecting cylinder 303 remains unblocked, that is, the feeding hopper 107 and the inside of the conveying cylinder 101 remain in a connected state.

[0053] In this way, during the adjustment of the conveying cylinder 101, the feeding hopper 107 remains fixed, and the top of the feeding hopper 107 remains in a stable horizontal state, thereby facilitating the manual feeding operation of the feeding hopper 107.

[0054] It should be noted that the arc angle of the arc-shaped track groove 204 and the length of the straight groove connector 205 and the straight sliding groove 207 are enlarged in the figure for easy viewing, and do not represent the actual size.

[0055] Please refer to Figs. 1-3 , the bottom of the feeding hopper 107 extends to the inside of the hemispherical connecting sleeve 301, and the upper edge of the hemispherical rotating sleeve 302 is higher than the bottom of the feeding hopper 107, and the upper edge of the hemispherical rotating sleeve 302 is lower than the top of the hemispherical connecting sleeve 301.

[0056] The screw conveyor 1 further comprises a driving motor 103, a first pulley 104, a second pulley 105 and a belt 106.

[0057] The driving motor 103 is fixed to the upper surface of the upper end of the conveying cylinder 101 by a support, the first pulley 104 is fixed to the output end of the driving motor 103, the rotating shaft of the screw blade inside the conveying cylinder 101 penetrates to the top of the conveying cylinder 101 and is fixedly connected with the second pulley 105, and the belt 106 is sleeved outside the first pulley 104 and the second pulley 105.

[0058] In the embodiment, the structure that the upper edge of the hemispherical rotating sleeve 302 is higher than the bottom of the feeding hopper 107 can make the raw materials directly fall into the hemispherical rotating sleeve 302 through the feeding hopper 107, and the raw materials will not interfere with the rotation of the hemispherical rotating sleeve 302.

[0059] In the process that the raw materials enter the inside of the conveying cylinder 101 through the hemispherical rotating sleeve 302 and the connecting pipe 303, the driving motor 103 is started, the driving motor 103 can drive the spiral blade to rotate through the first belt pulley 104, the belt 106 and the second belt pulley 105, the rotating spiral blade can drive the raw materials to be vertically brought to the discharge port 102, and the raw materials fall to the feeding port of the concrete mixing equipment through the discharge port 102, so that the feeding operation of the raw materials is realized;

[0060] It should be further explained that the spiral blade structure inside the conveying cylinder 101 is a conventional structure in the prior art, and the structure technology is a mature technology, so the structure will not be described here.

[0061] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A raw material conveying device for concrete mixing, comprising a screw conveyor (1) composed of a conveying cylinder (101), a discharging port (102) and a feeding hopper (107), and a moving support assembly (2), wherein the discharging port (102) is fixed to the lower surface of the upper end of the conveying cylinder (101) and is in communication with the inner side of the conveying cylinder (101), and the feeding hopper (107) is distributed above the lower end of the conveying cylinder (101) and is connected with the moving support assembly (2), characterized in that, The mobile support assembly (2) comprises a mobile unit and a lifting unit; The mobile unit is used for supporting and moving the screw conveyor (1), and the lifting unit is used for adjusting the inclination angle of the conveying cylinder (101); The conveying cylinder (101), the feeding hopper (107) and the mobile unit are provided with a communication assembly (3), which is used for keeping the feeding hopper (107) and the conveying cylinder (101) in a communication state when the conveying cylinder (101) is adjusted in rotation.

2. A raw material conveying device for concrete mixing according to claim 1, wherein The mobile unit comprises a mobile frame (201), universal wheels (202) and fixed side plates (203); The four universal wheels (202) are arranged in a matrix distribution on the bottom of the mobile frame (201), and the mobile frame (201) is below the conveying cylinder (101); The fixed side plates (203) are symmetrically fixed to the top of the mobile frame (201) and extend upwards to be fixedly connected with the outer side of the feeding hopper (107), so as to support the feeding hopper (107).

3. A raw material conveying device for a concrete mixer according to claim 2, wherein The lifting unit comprises straight slot connectors (205), lifting arms (206), straight line sliding grooves (207) and electric push rods (208); The straight slot connectors (205) are fixedly welded to the lower surface of the middle part of the conveying cylinder (101), the two lifting arms (206) are rotatably connected with the mobile frame (201) at the bottom ends, and the top ends of the two lifting arms (206) are symmetrically connected with the inner wall of the straight slot connector (205) through a connecting pin; The straight line sliding grooves (207) are arranged on the middle side of the lifting arm (206) and completely penetrate to the other side, the output ends of the electric push rods (208) are arranged in the middle of the two lifting arms (206) and are slidably connected with the straight line sliding grooves (207) through connecting pins, and the tail end of the shell of the electric push rod (208) is rotatably connected with the mobile frame (201); When the electric push rod (208) operates, the transmission of the lifting arm (206) and the straight slot connector (205) is used to adjust the rotation of the conveying cylinder (101).

4. A raw material conveying device for a concrete mixer according to claim 2, wherein The communication assembly (3) comprises a hemispherical connecting sleeve (301), a hemispherical rotating sleeve (302) and a connecting pipe (303); The hemispherical connecting sleeve (301) is fixed to the bottom of the feeding hopper (107), the hemispherical rotating sleeve (302) is rotatably connected to the inner side of the hemispherical connecting sleeve (301) and protrudes from the bottom of the hemispherical connecting sleeve (301), the connecting pipe (303) is fixed to the bottom end of the hemispherical rotating sleeve (302) and is fixedly connected with the upper surface of the conveying cylinder (101), and the connecting pipe (303) is in communication with the inner side of the conveying cylinder (101); Through the relative rotation structure of the hemispherical rotating sleeve (302) and the hemispherical connecting sleeve (301), the feeding hopper (107) and the conveying cylinder (101) are kept in a communication state when the conveying cylinder (101) is adjusted in rotation.

5. A raw material conveying device for a concrete mixer according to claim 4, wherein The communication assembly (3) further comprises a connecting rod (304), a connecting arm (305) and a central rotating shaft (306). The side of the fixed side plate (203) is provided with an arc-shaped rail slot (204), the connecting rod (304) is symmetrically fixed to the outer wall of the conveying cylinder (101) and is in sliding connection with the arc-shaped rail slot (204); The connecting arm (305) is fixed to the outer side of the connecting rod (304) and is in close contact with the side of the fixed side plate (203), and the central rotating shaft (306) is fixed to one side of the top of the connecting arm (305) and is in rotating connection with the fixed side plate (203); The center of the central rotating shaft (306), the center of the arc-shaped rail slot (204), the center of the hemispherical connecting sleeve (301) and the center of the hemispherical rotating sleeve (302) are located on the same horizontal line; The central rotating shaft (306) is used for providing a support center for the rotation of the conveying cylinder (101).

6. A raw material conveying device for a concrete mixer according to claim 4, wherein The bottom of the feeding hopper (107) extends to the inside of the hemispherical connecting sleeve (301), the upper edge of the hemispherical rotating sleeve (302) is higher than the bottom of the feeding hopper (107), and the upper edge of the hemispherical rotating sleeve (302) is lower than the top of the hemispherical connecting sleeve (301).

7. A raw material conveying device for a concrete mixer according to claim 1, wherein The screw conveyor (1) further comprises a driving motor (103), a first belt pulley (104), a second belt pulley (105) and a belt (106); The driving motor (103) is fixed to the upper surface of the upper end of the conveying cylinder (101) through a support, the first belt pulley (104) is fixed to the output end of the driving motor (103), the rotating shaft of the spiral blade in the conveying cylinder (101) penetrates to the top of the conveying cylinder (101) and is fixedly connected with the second belt pulley (105), and the belt (106) is sleeved on the outer sides of the first belt pulley (104) and the second belt pulley (105).

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