Premixed concrete production conveying device

Abstract

The utility model relates to the technical field of premixed concrete production, and provides a premixed concrete production conveying device which comprises a bottom plate, a support is fixedly connected to the top end of the bottom plate, a conveying cylinder is fixedly connected to the top end of the support, and a servo motor is fixedly connected to one side of the conveying cylinder. The output end of the servo motor extends into the conveying cylinder and is fixedly connected with a spiral feeding rod through a coupler, one side of the top end of the conveying cylinder is fixedly connected with a feeding hopper, one side of the bottom end of the conveying cylinder is fixedly connected with a main discharging pipe, and the surface of the main discharging pipe is slidably connected with an auxiliary discharging pipe. The suction pump works, suction force is generated at the dust suction ring pipe, dust flying above the feeding hopper is sucked into the dust removal box and filtered and collected through the fine filter frame, then dust spreading from an opening in the top end of the feeding hopper can be reduced, and discomfort of breathing of workers or smudginess of a site due to excessive dust is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ready-mixed concrete production, in particular to a ready-mixed concrete production and conveying device. Background Art

[0002] Ready-mixed concrete refers to a concrete mixture that is made by mixing a certain proportion of cement, aggregate, water, admixtures, mineral admixtures and other materials at a mixing station after being fully mixed together, and then sold to construction teams. The mixture is then transported to the construction site by a transport vehicle within the specified time. It is a type of commercial concrete. In the production process of ready-mixed concrete, corresponding conveying devices are often required to transport the raw materials to the mixing device for mixing and homogenizing.

[0003] After searching, the existing patent (publication number: CN215511696U) discloses a raw material conveying device for ready-mixed concrete mixing, including a conveying box, a conveying mechanism and a supporting leg, wherein the conveying mechanism includes a motor box, a motor, a spiral feed rod, a driven pulley, a fixed rod, a scraper, a discharge pipe, a feed pipe, a driving pulley, a first rotating rod, a first bevel gear, a second bevel gear, a second rotating rod, a first circular plate, a second circular plate, a connecting rod, a slider and a groove box, the left side of the conveying box is fixedly installed on the right side of the motor box, and the motor is fixedly installed on the bottom of the inner wall of the motor box, and the material conveying effect is achieved by arranging the driving pulley, the first rotating rod, the first bevel gear, the second bevel gear, the second rotating rod, the first circular plate, the second circular plate, the connecting rod, the slider and the groove box, and the existing raw material conveying device for concrete has the problems of low conveying efficiency, high power consumption and difficulty in meeting the needs of workers.

[0004] However, in the above scheme, it is inconvenient to reduce the flying of dust. When adding raw materials into the feed hopper, some dust impurities will inevitably fly out from the top opening of the feed hopper because some raw materials are cement or sand and gravel. Excessive flying of dust will cause discomfort to the breathing of the workers, and the flying dust will also cause the workplace to be dirty, which will lead to inconvenience in its use.

[0005] In view of this, the utility model proposes a ready-mixed concrete production and conveying device. Utility Model Content

[0006] The utility model provides a ready-mixed concrete production and conveying device, which solves the problem of inconvenience in reducing flying dust in the related technology.

[0007] The technical solution of the utility model is as follows: a ready-mixed concrete production and conveying device, comprising a base plate, a bracket fixedly connected to the top of the base plate, a conveying cylinder fixedly connected to the top of the bracket, a servo motor fixedly connected to one side of the conveying cylinder, an output end of the servo motor extends to the interior of the conveying cylinder and is fixedly connected to a spiral feeding rod through a coupling, a feed hopper fixedly connected to one side of the top of the conveying cylinder, a dust removal assembly is provided at one end of the feed hopper, a main discharge pipe is fixedly connected to one side of the bottom end of the conveying cylinder, an auxiliary discharge pipe is slidably connected to the surface of the main discharge pipe, and an adjustment assembly is provided at one end of the auxiliary discharge pipe.

[0008] The dust removal assembly includes a supporting ring plate, which is fixedly connected to the upper end of the inner wall of the feed hopper, one end of the supporting ring plate is fixedly connected to a porous cover by bolts, the upper end of the inner wall of the feed hopper is annularly fixedly connected to a dust suction ring pipe, one side of the top of the bottom plate is fixedly connected to a vertical rod, the top of the vertical rod is fixedly connected to a dust removal box, the upper end of the back side of the dust removal box is connected to the inside of the dust suction ring pipe through a conduit, the lower end of one side of the dust removal box is fixedly connected to an air pump, and the upper ends of both sides of the inner wall of the dust removal box are fixedly connected to guide rods. A material plate, a limiting groove is provided at the bottom end of the limiting groove, the limiting plate is movably connected inside the limiting groove, and a fine filter frame is fixedly connected to the bottom end of the limiting plate. By starting the vacuum pump, the flying dust can be sucked into the dust removal box through the duct by the dust suction ring pipe, and the fine filter frame is used to centrally filter and collect the flying dust, so as to avoid breathing discomfort for the staff or dirt on the site caused by the flying dust, thereby improving its practicality. At the same time, the porous cover can avoid damage to the inner wall of the dust suction ring pipe caused by collision with gravel, etc., thereby extending its service life.

[0009] Preferably, the top of the porous cover is sloped, and the inner wall of the porous cover is provided with through holes at equal intervals to reduce the residue of the ready-mixed concrete raw materials on the top of the porous cover.

[0010] Preferably, a sliding structure is formed between the limiting plate and the inside of the limiting groove, and the cross-section of the limiting plate and the limiting groove is inverted convex, thereby improving the stability of the sliding installation between the fine filter frame and the inside of the dust removal box.

[0011] Preferably, the cross-section of the guide plate is in the shape of a right-angled trapezoid, and the guide plate is symmetrically distributed about the vertical center axis of the dust removal box, so that the collected dust can fall into the fine filter frame faster and more concentratedly.

[0012] Preferably, the adjusting component includes an adjusting slot, which is arranged at the upper end of one end of the auxiliary discharge pipe, and the adjusting slot is movably connected with an adjusting block extending to the outside of the adjusting slot, and one end of the adjusting block is fixedly connected with an adjusting rod extending to the outside of the adjusting slot, and an adjusting spring is wound around the surface of the adjusting rod on one side of the adjusting block, and one end of the adjusting spring is fixedly connected to the inner wall of the adjusting slot; and adjusting holes are arranged at equal intervals at one end of the main discharge pipe, and after pulling the auxiliary discharge pipe to a suitable height, the elastic force of the adjusting spring is used to make the adjusting block move and card into a suitable adjusting hole, so as to realize the limited fixation of the auxiliary discharge pipe after sliding, and then the overall length between the auxiliary discharge pipe and the main discharge pipe can be changed, so as to avoid the falling of the ready-mixed concrete raw materials due to the far distance between the bottom end of the auxiliary discharge pipe and the feeding port of the stirring device.

[0013] Preferably, a slide groove is provided on the inner wall of the adjusting groove, and sliding blocks which slide in cooperation with the inside of the slide groove are fixedly connected to both sides of the adjusting block, so that the adjusting block slides more smoothly.

[0014] Preferably, a snap-fit ​​structure is formed between one end of the adjustment block and the inside of the adjustment hole, and the depth of the inside of the adjustment hole is smaller than the depth of the inside of the adjustment groove, so as to achieve limited fixation of the auxiliary discharge pipe after sliding.

[0015] Preferably, auxiliary grooves are provided on both sides of the surface of the main discharge pipe, and auxiliary strips slidingly matched with the inside of the auxiliary grooves are fixedly connected to both sides of the inner wall of the auxiliary discharge pipe, so that the auxiliary discharge pipe can slide up and down more smoothly.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. The utility model provides a dust removal assembly, and by starting the vacuum pump, suction can be generated at the dust collection ring pipe, so that the flying dust is sucked into the dust collection box through the duct, and the fine filter frame is used to collect the flying dust in a centralized manner, so as to avoid the flying dust causing breathing discomfort to the staff or causing the site to be dirty, thereby avoiding air pollution or increasing the cleaning workload of the staff. At the same time, the porous cover can be used to avoid damage to the inner wall of the dust collection ring pipe caused by the collision of gravel and the like, thereby extending its service life. When not in use, the fine filter frame can be slid out of the dust collection box, so as to facilitate the centralized treatment of the dust impurities collected in the fine filter frame, thereby improving its practicality, thereby achieving the effect of facilitating the reduction of flying dust.

[0018] 2. In the utility model, the auxiliary discharge pipe, the adjustment component and the main discharge pipe are provided. By pulling the auxiliary discharge pipe and utilizing the sliding of the auxiliary bar and the auxiliary groove, the auxiliary discharge pipe can slide down smoothly to a suitable height, and then the elastic force of the adjustment spring is utilized to make the adjustment block move and card into a suitable adjustment hole, so as to realize the limited fixation of the auxiliary discharge pipe after sliding, thereby changing the overall length between the auxiliary discharge pipe and the main discharge pipe, avoiding the falling of the ready-mixed concrete raw materials due to the long distance between the bottom end of the auxiliary discharge pipe and the feeding port of the mixing device, so that it can adapt to the conveying requirements of different mixing devices, and at the same time avoid the waste of raw material conveying, improve its practicality, and realize the effect of facilitating the adjustment of the discharge port height. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from another viewing angle;

[0023] Figure 4 It is a schematic diagram of the enlarged structure of a local explosion at a dust removal component of the utility model;

[0024] Figure 5 It is a schematic diagram of the partially exploded and enlarged structure of the main discharge pipe of the utility model.

[0025] In the figure: 1. dust removal assembly; 101. porous cover; 102. dust removal box; 103. vacuum pump; 104. vertical rod; 105. fine filter frame; 106. dust suction ring pipe; 107. support ring plate; 108. limit plate; 109. limit groove; 110. guide plate; 2. servo motor; 3. bottom plate; 4. bracket; 5. auxiliary discharge pipe; 6. adjustment assembly; 601. adjustment hole; 602. slider; 603. slide groove; 604. adjustment rod; 605. adjustment spring; 606. adjustment groove; 607. adjustment block; 7. main discharge pipe; 8. conveying cylinder; 9. feed hopper; 10. spiral feeding rod; 11. auxiliary bar; 12. auxiliary groove. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] The preferred embodiment of the ready-mixed concrete production and conveying device provided by the utility model is as follows Figures 1 to 5 As shown: a ready-mixed concrete production and conveying device, including a base plate 3, a bracket 4 is fixedly connected to the top of the base plate 3, a conveying cylinder 8 is fixedly connected to the top of the bracket 4, a servo motor 2 is fixedly connected to one side of the conveying cylinder 8, the output end of the servo motor 2 extends to the inside of the conveying cylinder 8 and is fixedly connected to a spiral feeding rod 10 through a coupling, a feed hopper 9 is fixedly connected to one side of the top of the conveying cylinder 8, a dust removal component 1 is arranged at one end of the feed hopper 9, a main discharge pipe 7 is fixedly connected to one side of the bottom end of the conveying cylinder 8, an auxiliary discharge pipe 5 is slidably connected to the surface of the main discharge pipe 7, and an adjustment component 6 is arranged at one end of the auxiliary discharge pipe 5.

[0029] The dust removal assembly 1 includes a support ring plate 107, which is fixedly connected to the upper end of the inner wall of the feed hopper 9, one end of the support ring plate 107 is fixedly connected to the porous cover 101 by bolts, the upper end of the inner wall of the feed hopper 9 is annularly fixedly connected to a dust suction ring tube 106, one side of the top of the bottom plate 3 is fixedly connected to a vertical rod 104, the top of the vertical rod 104 is fixedly connected to a dust removal box 102, the upper end of the back side of the dust removal box 102 is connected to the inside of the dust suction ring tube 106 through a conduit, and the lower end of one side of the dust removal box 102 is fixedly connected to an air pump 103. A guide plate 110 is fixedly connected to the upper ends of both sides of the inner wall of the box 102, and a limiting groove 109 is provided at the bottom end of the guide plate 110. The limiting groove 109 is movably connected to the limiting plate 108. The bottom end of the limiting plate 108 is fixedly connected to a fine filter frame 105. By starting the vacuum pump 103, the flying dust can be sucked into the dust removal box 102 through the duct by the dust suction ring pipe 106, and the fine filter frame 105 is used to collect and filter it centrally, so as to avoid the flying dust causing breathing discomfort to the staff or causing dirt on the site, thereby improving its practicality.

[0030] In this embodiment, the top of the porous cover 101 is sloped, and the inner wall of the porous cover 101 is provided with through holes at equal intervals. The sloped porous cover 101 is used to reduce the residue of ready-mixed concrete raw materials on the top of the porous cover 101.

[0031] In this embodiment, a sliding structure is formed between the limiting plate 108 and the limiting groove 109. The cross-section of the limiting plate 108 and the limiting groove 109 is inverted convex. The sliding between the inverted convex limiting plate 108 and the limiting groove 109 is utilized to improve the stability of the sliding installation of the fine filter frame 105 and the dust removal box 102.

[0032] In this embodiment, the cross-section of the guide plate 110 is in the shape of a right-angled trapezoid, and the guide plate 110 is symmetrically distributed about the vertical center axis of the dust removal box 102. The right-angled trapezoidal guide plate 110 can be used to guide the collected dust so that it falls into the fine filter frame 105 faster and more concentratedly.

[0033] Example 2

[0034] Based on Example 1, a preferred embodiment of the ready-mixed concrete production and delivery device provided by the present invention is as follows: Figures 1 to 5 As shown: the adjustment component 6 includes an adjustment groove 606, which is arranged at the upper end of one end of the auxiliary discharge pipe 5, and an adjustment block 607 extending to the outside of the adjustment groove 606 is movably connected inside the adjustment groove 606, and an adjustment rod 604 extending to the outside of the adjustment groove 606 is fixedly connected at one end of the adjustment block 607. An adjustment spring 605 is wound around the surface of the adjustment rod 604 on one side of the adjustment block 607, and one end of the adjustment spring 605 is fixedly connected to the inner wall of the adjustment groove 606. Adjustment holes 601 are arranged at equal intervals at one end of the main discharge pipe 7. After the auxiliary discharge pipe 5 is pulled to a suitable height, the adjustment block 607 is engaged with the inside of the adjustment hole 601 to realize the limited fixation of the auxiliary discharge pipe 5 after sliding, thereby changing the overall length between the auxiliary discharge pipe 5 and the main discharge pipe 7, and preventing the bottom end of the auxiliary discharge pipe 5 from being far away from the feeding port of the stirring device and the like, which may cause the ready-mixed concrete raw materials to fall.

[0035] In this embodiment, a slide groove 603 is provided on the inner wall of the adjustment groove 606, and sliders 602 that slide with the inside of the slide groove 603 are fixedly connected on both sides of the adjustment block 607. The sliding of the slider 602 in the slide groove 603 makes the adjustment block 607 slide more smoothly.

[0036] In this embodiment, a snap-fit ​​structure is formed between one end of the adjustment block 607 and the inside of the adjustment hole 601. The depth inside the adjustment hole 601 is smaller than the depth inside the adjustment groove 606. By snapping one end of the adjustment block 607 with the inside of the adjustment hole 601, the auxiliary discharge pipe 5 is limited and fixed after sliding.

[0037] In addition, auxiliary grooves 12 are provided on both sides of the surface of the main discharge pipe 7, and auxiliary strips 11 are fixedly connected to both sides of the inner wall of the auxiliary discharge pipe 5 and slideably cooperate with the inside of the auxiliary grooves 12. The sliding of the auxiliary strips 11 and the inside of the auxiliary grooves 12 makes the up and down sliding of the auxiliary discharge pipe 5 more stable and smooth.

[0038] The working principle and use process of the utility model are as follows: first, the height of the auxiliary discharge pipe 5 and the main discharge pipe 7 is adjusted according to the height of the feed port of the stirring device, and at this time, the adjusting rod 604 is pulled to drive the adjusting block 607 to slide and compress the adjusting spring 605 until it is completely separated from the inside of the adjusting hole 601, and then the auxiliary discharge pipe 5 is pulled hard, and the auxiliary strip 11 and the auxiliary groove 12 are used to slide inside so that the auxiliary discharge pipe 5 can slide down smoothly to a suitable height, and then the adjusting rod 604 is released, and the elastic force of the adjusting spring 605 is used to make the adjusting block 607 move and card to the inside of the suitable adjusting hole 601, so as to realize the limited fixation of the auxiliary discharge pipe 5 after sliding, and then the overall length between the auxiliary discharge pipe 5 and the main discharge pipe 7 can be changed, so as to avoid the bottom end of the auxiliary discharge pipe 5 being far away from the feed port of the stirring device, etc., which causes the ready-mixed concrete raw materials to fall, and facilitate the transportation operation of the ready-mixed concrete raw materials;

[0039] After that, the ready-mixed concrete raw materials are added into the feed hopper 9, and the servo motor 2 is started to drive the spiral feeding rod 10 to rotate, thereby transporting the ready-mixed concrete raw materials in the feed hopper 9 upward, and then discharged from the main discharge pipe 7 and the auxiliary discharge pipe 5;

[0040] At the same time, the vacuum pump 103 is started to generate negative pressure inside the dust removal box 102, and then suction can be generated at the dust suction ring pipe 106 through the duct, so that the flying dust is sucked into the dust removal box 102 through the duct, and the fine filter frame 105 is used to collect and filter it centrally to prevent the flying dust from causing breathing discomfort to the staff or causing dirt on the site. At the same time, the porous cover 101 can be used to prevent damage to the inner wall of the dust suction ring pipe 106 caused by collision of gravel and the like. When not in use, the door on the front of the dust removal box 102 can be opened, and then the fine filter frame 105 can be pulled so that the limit plate 108 slides out of the limit groove 109 and is completely removed, so as to facilitate the centralized processing of the dust impurities collected in the fine filter frame 105.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ready-mixed concrete production and conveying device, comprising a bottom plate (3), characterized in that: The top of the bottom plate (3) is fixedly connected to a bracket (4), the top of the bracket (4) is fixedly connected to a conveying cylinder (8), one side of the conveying cylinder (8) is fixedly connected to a servo motor (2), the output end of the servo motor (2) extends to the inside of the conveying cylinder (8) and is fixedly connected to a spiral feeding rod (10) through a coupling, one side of the top of the conveying cylinder (8) is fixedly connected to a feed hopper (9), one end of the feed hopper (9) is provided with a dust removal component (1), one side of the bottom end of the conveying cylinder (8) is fixedly connected to a main discharge pipe (7), the surface of the main discharge pipe (7) is slidably connected to an auxiliary discharge pipe (5), and one end of the auxiliary discharge pipe (5) is provided with an adjustment component (6); The dust removal assembly (1) comprises a support ring plate (107), the support ring plate (107) being fixedly connected to the upper end of the inner wall of the feed hopper (9), one end of the support ring plate (107) being fixedly connected to a porous cover (101) by means of bolts, the upper end of the inner wall of the feed hopper (9) being annularly fixedly connected to a dust suction ring pipe (106), one side of the top end of the bottom plate (3) being fixedly connected to a vertical rod (104), the top end of the vertical rod (104) being fixedly connected to a dust removal box (102), the dust removal box ( The upper end of the back side of the dust collecting box (102) is connected to the inside of the dust collecting ring tube (106) through a conduit, the lower end of one side of the dust collecting box (102) is fixedly connected to the vacuum pump (103), the upper ends of both sides of the inner wall of the dust collecting box (102) are fixedly connected to the guide plate (110), the bottom end of the guide plate (110) is provided with a limiting groove (109), the inside of the limiting groove (109) is movably connected to the limiting plate (108), and the bottom end of the limiting plate (108) is fixedly connected to the fine filter frame (105).

2. A ready-mixed concrete production and delivery device according to claim 1, characterized in that: The top of the porous cover (101) is sloped, and the inner wall of the porous cover (101) is provided with through holes at equal intervals.

3. A ready-mixed concrete production and conveying device according to claim 1, characterized in that: A sliding structure is formed between the limiting plate (108) and the inside of the limiting groove (109); the cross-sections of the limiting plate (108) and the limiting groove (109) are inverted convex shapes.

4. A ready-mixed concrete production and conveying device according to claim 1, characterized in that: The cross-section of the material guide plate (110) is in the shape of a right-angled trapezoid, and the material guide plate (110) is symmetrically distributed about the vertical center axis of the dust removal box (102).

5. A ready-mixed concrete production and conveying device according to claim 1, characterized in that: The adjustment component (6) comprises an adjustment groove (606), wherein the adjustment groove (606) is provided at the upper end of one end inside the auxiliary discharge pipe (5), and an adjustment block (607) extending to the outside of the adjustment groove (606) is movably connected inside the adjustment groove (606), and one end of the adjustment block (607) is fixedly connected to an adjustment rod (604) extending to the outside of the adjustment groove (606), and an adjustment spring (605) is wound around the surface of the adjustment rod (604) on one side of the adjustment block (607), and one end of the adjustment spring (605) is fixedly connected to the inner wall of the adjustment groove (606), and one end of the main discharge pipe (7) is provided with adjustment holes (601) at equal intervals.

6. A ready-mixed concrete production and conveying device according to claim 5, characterized in that: The inner wall of the adjustment groove (606) is provided with a sliding groove (603), and sliding blocks (602) which are slidably matched with the inside of the sliding groove (603) are fixedly connected to both sides of the adjustment block (607).

7. A ready-mixed concrete production and conveying device according to claim 5, characterized in that: A snap-fit ​​structure is formed between one end of the adjustment block (607) and the inside of the adjustment hole (601), and the depth of the inside of the adjustment hole (601) is smaller than the depth of the inside of the adjustment groove (606).

8. The ready-mixed concrete production and conveying device according to claim 1, characterized in that: Auxiliary grooves (12) are provided on both sides of the surface of the main discharge pipe (7), and auxiliary strips (11) that are slidably matched with the inside of the auxiliary grooves (12) are fixedly connected to both sides of the inner wall of the auxiliary discharge pipe (5).

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