Powder spiral conveying device

Abstract

The utility model discloses a powder spiral conveying device, which relates to the technical field of powder conveying, and comprises a cart frame and an extension frame arranged along the pushing direction of the cart frame, a rotating shaft of a first rotating shaft is provided with an overturning frame, a spiral conveying mechanism is arranged above a plate frame of the overturning frame, and the spiral conveying mechanism is provided with a first rotating shaft and a second rotating shaft. A lifting and jacking mechanism for supporting the overturning frame is installed in a pushing frame of the cart frame and integrally connected with the extending frame. According to the design, the conveying and discharging direction of the spiral conveying mechanism can be flexibly adjusted and controlled, then the lifting jacking mechanism moves downwards to correct the position, on one hand, the spiral conveying mechanism swings downwards, on the other hand, the extending frame is pushed out to be combined with the cart frame, and the center stability is improved; by means of ascending correction of the lifting jacking mechanism, on one hand, the spiral conveying mechanism swings upwards, and on the other hand, the extending frame is contracted into the cart frame and combined with the cart frame, so that the stability of the gravity center is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of powder conveying, especially relates to a powder screw conveying device. BACKGROUND

[0002] The screw conveyor is mainly suitable for conveying powder, granular and small block materials in horizontal or inclined direction, and is widely applied to conveying work of building materials cement, chemical powder, power fly ash and the like, so along with the increase of demand, more and more screw conveying devices are produced and applied, such as the powder screw conveyor (publication number CN209635241U) disclosed by China patent network, the screw conveyor of this kind of form is connected through connecting piece and the connecting seat and connecting groove arranged on the screw conveyor body, the connection and disassembly between the screw conveyor body and support are facilitated, and when not in use, it can be placed along the horizontal direction, reducing the space occupied by the screw conveyor when not in use.

[0003] However, the powder screw conveying device adopted by the above-mentioned disclosed patent and existing market still has some deficiencies: the existing disassembly component is used to lift and disassemble the screw conveyor body, which has good lifting and disassembling performance, but it can only maintain the unloading orientation of a certain height, and the powder conveying and unloading performance is single, and the flexible use is limited. Therefore, the technical personnel in the field provide a powder screw conveying device to solve the problems in the above background art. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a powder screw conveying device, which solves the problem of low flexible use performance of the existing powder screw conveying device in the above background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a powder screw conveying device, comprising a cart frame and an extension frame arranged along the pushing direction of the cart frame;

[0006] The first rotating shaft of the push frame of the cart frame is provided with a turnover frame, and the spiral conveying mechanism is installed above the plate frame of the turnover frame;

[0007] The push frame of the cart frame is internally provided with a lifting and supporting mechanism for supporting the turnover frame, and the lifting and supporting mechanism is integrally connected with the extension frame;

[0008] The lifting bracing mechanism comprises guide sliding rails and transmission lead screws which are symmetrically installed inside the trolley frame, a guide sliding table is arranged on the outer side of the shaft of each group of transmission lead screws and guided by the guide sliding rails, an arm force truss is arranged between the opposite two groups of guide sliding tables, the arm force truss is fixedly connected with the extension frame, and the top of the support of the arm force truss is symmetrically connected with a top bracing truss of a top bracing turnover frame.

[0009] As a further technical scheme of the utility model, a brake motor is installed at one end of the trolley frame, a brake pulley is arranged at the output end of the brake motor, a transmission pulley horizontally opposite to the brake pulley is arranged at one end of the shaft of each group of transmission lead screws, and the brake pulley and the transmission pulley are connected through a transmission belt.

[0010] As a further technical scheme of the utility model, a second rotating shaft horizontally opposite to the first rotating shaft is arranged at the top end of the plate frame of the turnover frame, and the top bracing truss is connected with the turnover frame through the second rotating shaft.

[0011] As a further technical scheme of the utility model, a plurality of supporting castors are arranged on the bottom frame of the trolley frame, and a plurality of extension castors are arranged on the bottom frame of the extension frame.

[0012] As a further technical scheme of the utility model, the screw conveying mechanism comprises a conveying pipe, a conveying screw is rotatably connected inside the barrel of the conveying pipe, a conveying motor is arranged on the top pipe of the conveying pipe and drives the conveying screw, an inlet is arranged at the bottom end of the barrel of the conveying pipe and opens upward, and a discharge outlet is arranged at the top end of the barrel of the conveying pipe and opens downward.

[0013] As a further technical scheme of the utility model, a plurality of covers are arranged and connected on the upper end of the barrel of the conveying pipe, and the covers are screwed with the conveying pipe.

[0014] The powder screw conveying device has the following beneficial effects compared with the prior art.

[0015] The powder screw conveying device has the advantages that the combination of the trolley frame and the extension frame is used as a support extension carrier, the lifting and supporting mechanism is used for flexibly regulating and controlling the conveying and discharging orientation of the screw conveying mechanism, when low orientation conveying and discharging is needed, the extension frame is pushed out and combined with the trolley frame to improve the central support stability, when high orientation conveying and discharging is needed, the extension frame is retracted into the trolley frame to combine with the trolley frame to improve the gravity center support stability, and the device has flexible regulation and control performance and can better adapt to the powder conveying situation on site. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a powder screw conveying device.

[0017] Figure 2 It is a structural schematic view of a lifting and supporting mechanism in a powder screw conveying device.

[0018] Figure 3 It is a structural schematic view of a screw conveying mechanism in a powder screw conveying device.

[0019] Figure 4 It is a structural schematic view of a powder screw conveying device.

[0020] In the figure, 1 is a trolley frame, 2 is a supporting caster, 3 is an arm force truss, 4 is an extension frame, 5 is an extension caster, 6 is a turnover frame, 7 is a screw conveying mechanism, 71 is a conveying pipe, 72 is a cover, 73 is a conveying screw, 74 is a conveying motor, 75 is a feeding port, 76 is a discharging port, 8 is a supporting truss, 9 is a first rotating shaft, 10 is a second rotating shaft, 11 is a brake motor, 12 is a brake pulley, 13 is a tension pulley, 14 is a transmission belt, 15 is a transmission pulley, 16 is a guide slide rail, 17 is a transmission screw rod, and 18 is a guide slide table. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] Please refer to Figures 1-4The utility model provides a kind of powder screw conveyor technical scheme: a kind of powder screw conveyor, including push trolley frame 1 and the extension frame 4 being arranged along the extension frame 4 of push trolley frame 1 push direction, the chassis of push trolley frame 1 is arranged with multiple groups of support casters 2, the chassis of extension frame 4 is arranged with multiple groups of extension casters 5, by utilizing telescopic support combination of push trolley frame 1 and extension frame 4, can be synchronous control with the unloading orientation of screw conveying mechanism 7, to stabilize the support screw conveyor.

[0023] The first rotating shaft 9 is arranged at one end of the push frame of the push trolley frame 1, the rotating shaft of the first rotating shaft 9 is provided with a turnover frame 6, the push frame of the push trolley frame 1 is internally provided with a lifting support mechanism for supporting the turnover frame 6, and the lifting support mechanism is integrally connected with the extension frame 4, the lifting support mechanism comprises guide rails 16 and transmission screws 17 which are symmetrically installed in the frame of the push trolley frame 1, each group of transmission screws 17 is provided with a guide sliding table 18 which is guided by the guide rails 16 at the outer side of the shaft, and an arm force truss 3 is arranged between the two groups of guide sliding tables 18, the arm force truss 3 is fixedly connected with the extension frame 4, and the arm force truss 3 is provided with a support truss 8 which is symmetrically connected with the turnover frame 6 above the support frame, a brake motor 11 is arranged at one end of the push frame of the push trolley frame 1, the output end of the brake motor 11 is provided with a brake pulley 12, the shaft of each group of transmission screws 17 is provided with a transmission pulley 15 which is horizontally opposite to the brake pulley 12, and the brake pulley 12 and the transmission pulley 15 are transmissionally connected through a transmission belt 14, by controlling the brake motor 11 to work, the brake pulley 12 is driven to rotate, the transmission belt 14 is transmissionally driven and the transmission belt 14 is tensioned by a tension pulley 13, the transmission pulley 15 is driven to rotate, and then the transmission screw 17 is driven to rotate, the guide sliding table 18 on the shaft is guided to slide along the guide rail 16, as a driving source, the screw conveying mechanism 7 and the extension frame 4 are combined to operate.

[0024] The top end of the plate frame of the turnover frame 6 is provided with a second rotating shaft 10 which is horizontally opposite to the first rotating shaft 9, the support truss 8 is connected with the turnover frame 6 through the second rotating shaft 10, while the guide sliding table 18 slides, the arm force truss 3 is driven to slide, and then the support truss 8 is used to support the arm force, the turnover frame 6 is driven to swing around the first rotating shaft 9 as the axis, the unloading orientation of the screw conveying mechanism 7 on the turnover frame 6 is lifted and controlled, and while the screw conveying mechanism 7 is lifted, the arm force truss 3 drives the extension frame 4 to synchronously displace, when the discharge port of the screw conveying mechanism 7 is rotated to a higher position, the extension frame 4 is displaced into the push trolley frame 1 to improve the stability of the support gravity center, when the discharge port of the screw conveying mechanism 7 is rotated to a lower position, the extension frame 4 is displaced out of the push trolley frame 1 to improve the stability of the support center stress.

[0025] The spiral conveying mechanism 7 is arranged above the plate frame of the turnover frame 6, and the spiral conveying mechanism 7 comprises a conveying pipe 71, a conveying screw 73 is rotationally connected in the barrel of the conveying pipe 71, a conveying motor 74 is arranged on the top pipe of the conveying pipe 71 and drives the conveying screw 73, an inlet 75 is arranged at the bottom end of the barrel of the conveying pipe 71 and opens upwards, and an outlet 76 is arranged at the top end of the barrel of the conveying pipe 71 and opens downwards; by controlling the conveying motor 74 to work, the conveying screw 73 is driven to rotate, the powder is pushed to spiral along the conveying pipe 71, the powder fed from the bottom inlet 75 is pushed to spiral upward, and the powder is accurately discharged through the outlet 76.

[0026] A plurality of covers 72 are arranged and connected on the upper end of the barrel of the conveying pipe 71, and the cover 72 is screwed between the conveying pipe 71; by arranging the cover 72 on the barrel of the conveying pipe 71, the spiral conveying mechanism 7 can be conveniently disassembled and maintained, and the problem of complicated cleaning due to tank blockage is avoided.

[0027] The working principle of the utility model is as follows: when the spiral conveying device is used for conveying powder, the orientation of the discharge outlet of the powder can be real-time regulated according to the conveying situation on site, so as to accurately feed the powder; then, during the regulation, the brake motor 11 is used as a driving source to drive the combined linkage operation of the brake pulley 12, the transmission belt 14 and the transmission pulley 15, then the transmission screw 17 is driven to rotate, the guide sliding table 18 on the shaft rod is guided to slide along the guide sliding rail 16, and the guide sliding table 18 is guided to slide while sliding, the arm force truss 3 is displaced and slides, then the arm force of the bracing truss 8 is used to brace and push the turnover frame 6 to swing around the first rotation shaft 9, the orientation of the discharge outlet of the spiral conveying mechanism 7 on the turnover frame 6 is regulated and controlled, and the arm force truss 3 drives the extension frame 4 to synchronously displace while the spiral conveying mechanism 7 is raised and lowered, when the discharge outlet of the spiral conveying mechanism 7 is rotated to a higher orientation, the arm force truss 3 drives the extension frame 4 to displace into the trolley frame 1, so as to improve the stability of the supporting gravity center, and when the discharge outlet of the spiral conveying mechanism 7 is rotated to a lower orientation, the arm force truss 3 drives the extension frame 4 to displace out of the trolley frame 1, so as to improve the stability of the supporting center stress, and the spiral conveying mechanism 7 can be accurately discharged at a proper orientation angle;

[0028] Subsequently, when the powder is conveyed, the powder to be conveyed is conveyed into the conveying pipe 71 through the inlet 75, and the conveying motor 74 is controlled to work at the same time, the conveying screw 73 is driven to rotate, the powder is pushed to spiral along the conveying pipe 71, the fed powder is pushed to spiral upward, and the powder is accurately discharged through the outlet 76.

[0029] The above only is the preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be considered the protection scope of the utility model.The structure, device and operating method not specifically described and explained in the utility model, if no special description and limitation, all according to the conventional means of the art implementation.

Claims

1. A powder screw conveyor, characterized by, It comprises a trolley frame (1) and an extension frame (4) arranged along the pushing direction of the trolley frame (1); One end of the trolley frame (1) is provided with a first rotating shaft (9), the rotating shaft of the first rotating shaft (9) is provided with a turnover frame (6), and the upper frame of the turnover frame (6) is provided with a spiral conveying mechanism (7); The trolley frame (1) is provided with a lifting support mechanism for supporting the turnover frame (6) inside the trolley frame (1), and the lifting support mechanism is integrally connected with the extension frame (4); The lifting support mechanism comprises guide rails (16) and transmission lead screws (17) which are symmetrically installed in the frame of the trolley frame (1), the outer sides of the shafts of each group of transmission lead screws (17) are provided with guide sliding tables (18) guided by the guide rails (16), and the arm force trusses (3) are arranged between the opposite two groups of guide sliding tables (18), the arm force trusses (3) are fixedly connected with the extension frame (4), and the support trusses (8) of the arm force trusses (3) are symmetrically connected with the support trusses (8) of the turnover frame (6) above the supports.

2. A powder screw conveyor according to claim 1, wherein One end of the trolley frame (1) is provided with a brake motor (11), the output end of the brake motor (11) is provided with a brake pulley (12), one end of the shaft of each group of transmission lead screws (17) is provided with a transmission pulley (15) horizontally opposite to the brake pulley (12), and the brake pulley (12) and the transmission pulley (15) are transmissionally connected through a transmission belt (14).

3. A powder screw conveyor as claimed in claim 1, wherein The top end of the plate frame of the turnover frame (6) is provided with a second rotating shaft (10) horizontally opposite to the first rotating shaft (9), and the support truss (8) is connected with the turnover frame (6) through the second rotating shaft (10).

4. A powder screw conveyor as claimed in claim 1, wherein The bottom frame of the trolley frame (1) is provided with a plurality of support casters (2), and the bottom frame of the extension frame (4) is provided with a plurality of extension casters (5).

5. A powder screw conveyor as claimed in claim 1, wherein, The spiral conveying mechanism (7) comprises a conveying pipe (71), the inner wall of the cylinder of the conveying pipe (71) is rotationally connected with a conveying spiral (73), the top pipe of the conveying pipe (71) is provided with a conveying motor (74) for driving the conveying spiral (73), the bottom end of the cylinder of the conveying pipe (71) is provided with an inlet (75) opening upward, and the top end of the cylinder of the conveying pipe (71) is provided with a discharge port (76) opening downward.

6. A powder screw conveyor according to claim 5, wherein A plurality of covers (72) are arranged and connected on the top end of the cylinder of the conveying pipe (71), and the covers (72) and the conveying pipe (71) are connected by bolts.

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