Anti-jamming screw conveying and discharging device
By adding a hydraulic cylinder and a discharge ratchet wrench to the screw conveyor discharge device, the problem of material jamming was solved, and the discharge flow rate was controlled by the discharge adjustment structure, achieving the effects of preventing material jamming and saving materials.
Patent Information
- Application Number
- CN202411764391.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2044-12-04
AI Technical Summary
Existing screw conveyor discharge devices in the field of road construction and maintenance are prone to material jamming and have difficulty controlling the discharge flow rate, resulting in increased power consumption and material waste.
An anti-jamming screw conveyor discharge device was designed. The torque of the screw shaft is increased by driving the discharge ratchet wrench through the force-increasing cylinder, which assists the rotation of the screw shaft. The discharge flow rate is controlled by the opening degree of the discharge gate and the size of the discharge port. Combined with the heat preservation structure, material waste is reduced.
It effectively prevents material jamming, reduces power consumption, controls the discharge flow rate, and achieves economical and environmentally friendly material conveying.
Smart Images

Figure CN119429531B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of road construction and maintenance machinery, and particularly relates to a material blocking prevention spiral conveying discharging device. BACKGROUND
[0002] On the asphalt transporting and heat preserving vehicle in the field of road construction and maintenance, a spiral conveying discharging device for conveying material is equipped. Because the conveying space is small and sensitive to material, when the conveying spiral shaft rotates, the material winding is easy to be blocked. If slight blockage occurs, the output will be affected and the power consumption will be increased. In addition, when a small pit groove is repaired, less material is needed, and the material flow needs to be controlled to reduce material waste and be economic and environmentally friendly. SUMMARY
[0003] The present application aims at the deficiencies of the prior art, and provides a material blocking prevention spiral conveying discharging device. When the conveying spiral shaft torque is insufficient, the conveying spiral shaft torque can be increased to assist the rotation of the spiral shaft and reduce the material blocking phenomenon. At the same time, after the conveying spiral starts to normally operate, the material flow can be controlled by controlling the opening degree of the discharging door and the opening size of the discharging port, so as to avoid the additional waste of material.
[0004] The present application is realized by the following technical scheme:
[0005] The material blocking prevention spiral conveying discharging device of the present application is mainly composed of a conveying spiral shaft, a driving motor, a discharging box assembly, a shaft coupling, a bearing I with a seat and a motor fixing seat,
[0006] One end of the conveying spiral shaft is connected with the driving motor through the bearing I with a seat and the shaft coupling, and the other end is connected with the discharging box assembly through a bearing II with a seat and rotates, and the driving motor is fixed on the motor fixing seat,
[0007] The discharging box assembly is mainly composed of a fixed box body, a discharging mechanism, a discharging chute and an auxiliary discharging mechanism,
[0008] The discharging mechanism is mainly composed of a discharging oil cylinder, a discharging lever, a connecting plate and a discharging door, the auxiliary discharging mechanism is mainly composed of a force adding oil cylinder and a discharging ratchet wrench, the discharging chute is mainly composed of a fixing seat, a discharging bent plate and a discharging adjusting plate, and the fixed box body is mainly composed of a box body frame, a discharging oil cylinder support, a discharging door support, a discharging adjusting plate support, a partition plate, a force adding oil cylinder support and a box body cover,
[0009] The discharging lever is sleeved on the conveying spiral shaft, the discharging oil cylinder is arranged on the discharging oil cylinder support and the telescopic end is connected with the discharging lever, and the discharging door is connected with the discharging lever through the connecting plate,
[0010] The force cylinder is arranged at one end of the force cylinder support and the telescopic end is connected with the discharging ratchet wrench,
[0011] The fixed seat and the discharging adjusting plate are connected with the fixed box body through bolts, and the two ends of the discharging bent plate are connected with the fixed seat and the discharging adjusting plate respectively through bolts.
[0012] The discharging ratchet wrench is arranged on the hexagonal structure of the material conveying screw shaft.
[0013] The discharging adjusting plate has a porous structure, the discharging bent plate is perforated corresponding to the hole position of the discharging adjusting plate, and different hole positions are connected through bolts, and the other end of the discharging adjusting plate is connected with the discharging adjusting plate support.
[0014] The pitch of the spiral blade on the material conveying screw shaft is gradually changed.
[0015] The material conveying screw shaft is connected with the discharging ratchet wrench and rotates in one direction.
[0016] The box cover and the pair of discharging doors are both two-layer plate welded structures, heat insulation cotton is arranged in the cavity between the two plates, and the partition plate, the pair of discharging doors and the box cover form a closed heat insulation structure.
[0017] The advantages of the present application are:
[0018] (1) When the driving motor of the anti-blocking spiral conveying and discharging device works, it drives the material conveying screw shaft to rotate in one direction, and starts discharging. If the discharging resistance is too large and the material is blocked, the force cylinder can drive the discharging ratchet wrench to discharge, increase the torque of the material conveying screw shaft, and assist the rotation of the material conveying screw shaft to reduce the blocking phenomenon.
[0019] (2) The discharging adjusting plate of the discharging groove has a porous structure, and the discharging adjusting plate and the discharging bent plate are connected through bolts. By installing in different hole positions, the discharging angle can be adjusted, the opening degree of the discharging door and the size of the discharging port can be controlled to control the discharging flow, and the additional waste of materials can be avoided.
[0020] (3) The discharging box cover and the discharging door of the anti-blocking spiral conveying and discharging device have a heat preservation structure, the heat preservation layer is provided with heat insulation cotton, and the device has a discharging heat preservation function. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The structure of the present application is shown in the figure.
[0022] Figure 2 The present application Figure 1top view.
[0023] Figure 3 for the invention Figure 1 left view.
[0024] Figure 4 for the invention Figure 2 A-A view.
[0025] Figure 5 for the invention Figure 2 B-B view. DETAILED DESCRIPTION
[0026] The specific embodiments of the present application are further illustrated below with reference to the accompanying drawings.
[0027] As shown in Figures 1-5 The anti-jamming screw conveying and discharging device of the present application is characterized in that it mainly consists of a conveying screw shaft 1, a driving motor 2, a discharging box assembly 3, a shaft coupling 4, a bearing with seat I 5, and a motor fixing seat 6,
[0028] One end of the conveying screw shaft 1 is connected with the driving motor 2 through the bearing with seat I 5 and the shaft coupling 4, and the other end is connected with the discharging box assembly 3 through the bearing with seat II 7 and rotates, and the driving motor 2 is fixed on the motor fixing seat 6,
[0029] The discharging box assembly 3 mainly consists of a fixed box body 8, a discharging mechanism 9, a discharging chute 10, and an auxiliary discharging mechanism 11,
[0030] The discharging mechanism 9 mainly consists of a discharging oil cylinder 12, a discharging lever 13, a connecting plate 14, and a discharging door 15, the auxiliary discharging mechanism 11 mainly consists of a force-adding oil cylinder 16 and a discharging ratchet wrench 17, the discharging chute 10 mainly consists of a fixing seat 18, a discharging bent plate 19, and a discharging adjusting plate 20, and the fixed box body 8 mainly consists of a box body frame 27, a discharging oil cylinder support 21, a discharging door support 22, a discharging adjusting plate support 23, a partition plate 24, a force-adding oil cylinder support, and a box body cover 25,
[0031] The discharging lever 13 is sleeved on the conveying screw shaft 1, the discharging oil cylinder 12 is arranged on the discharging oil cylinder support 21 and has a telescopic end connected with the discharging lever 13, and the discharging door 15 is connected with the discharging lever 13 through the connecting plate 14,
[0032] One end of the force-adding oil cylinder 16 is arranged on the force-adding oil cylinder support 25 and has a telescopic end connected with the discharging ratchet wrench 17, and the discharging ratchet wrench 17 is sleeved on the conveying screw shaft 1, and the force-adding oil cylinder 16 drives the one-way rotation of the ratchet wrench 17 when it is telescopic, thereby driving the force-adding rotation of the screw shaft;
[0033] The fixed seat 18 and the discharge adjusting plate 20 are connected to the fixed box 8 by bolts, and the two ends of the discharge bent plate 19 are connected to the fixed seat 18 and the discharge adjusting plate 20 respectively by bolts.
[0034] The feeding screw shaft 1 is provided with a hexagonal structure, and the discharge ratchet wrench 17 is sleeved on the hexagonal structure of the feeding screw shaft 1.
[0035] The discharge adjusting plate 20 has a porous structure, the discharge bent plate 19 is opened in correspondence with the hole position of the discharge adjusting plate 20, and different hole positions are connected by bolts to realize the adjustment of the discharge angle, and the other end of the pair of discharge adjusting plates 20 is connected to the discharge adjusting plate support 23.
[0036] The pitch of the spiral blade on the feeding screw shaft 1 is gradually changed.
[0037] The feeding screw shaft 1 is connected to the discharge ratchet wrench 17 and rotates in one direction. When the driving motor works, it drives the feeding screw shaft to rotate in one direction to start discharging. If the discharge resistance is too large and the material is blocked, the force cylinder can drive the discharge ratchet wrench to discharge, which can assist the rotation of the feeding screw shaft, thereby preventing the material from being blocked.
[0038] The box cover 25 and the pair of discharge doors 15 are both two-layer plate welded structures, and the cavity between the two plates is filled with thermal insulation cotton. The partition plate 24, the pair of discharge doors 15 and the box cover 25 form a closed and heat-insulated structure.
[0039] The anti-blocking spiral conveying and discharging device of the application, when the driving motor 2 works, drives the feeding screw shaft 1 to rotate in one direction to start discharging. If the discharge resistance is too large and the material is blocked, the force cylinder 16 can drive the discharge ratchet wrench 17 to discharge, increase the torque of the feeding screw shaft 1, assist the rotation of the feeding screw shaft 1 and reduce the blocking phenomenon. The discharge adjusting plate 20 of the discharge chute 10 has a porous structure, and the discharge adjusting plate 20 and the discharge bent plate 19 are connected by bolts. By installing in different hole positions, the discharge angle can be adjusted, the opening degree of the discharge door 15 and the size of the discharge opening can be controlled to control the discharge flow, and the additional waste of the material can be avoided. The box cover 25 of the discharge box and the discharge door 15 have a heat-insulating structure, the heat-insulating layer is filled with thermal insulation cotton, and the device has a discharge heat-insulating function.
Claims
1. A screw conveyor discharge device for preventing material jamming, characterized in that, It mainly consists of a conveying screw shaft, a drive motor, a discharge box assembly, a coupling, a mounted bearing I, and a motor mounting base. One end of the conveying screw shaft is connected to the drive motor via the mounted bearing I and a coupling, and the other end is connected to the discharge box assembly via the mounted bearing II and rotates therethrough. The drive motor is fixed on a motor mounting base. The discharge box assembly mainly consists of a fixed box body, a discharge mechanism, a discharge chute, and an auxiliary discharge mechanism. The discharge mechanism mainly consists of a discharge cylinder, a discharge lever, a connecting plate, and a discharge gate. The auxiliary discharge mechanism mainly consists of a force-applying cylinder and a discharge ratchet wrench. The discharge trough mainly consists of a fixed base, a discharge bending plate, and a discharge adjusting plate. The fixed housing mainly consists of a housing frame, a discharge cylinder support, a discharge gate support, a discharge adjusting plate support, a partition, a force-applying cylinder support, and a housing cover. The discharge lever is sleeved on the conveying screw shaft, the discharge cylinder is mounted on the discharge cylinder support and its telescopic end is connected to the discharge lever, and the discharge gate is connected to the discharge lever via the connecting plate. One end of the force-applying cylinder is mounted on the force-applying cylinder support, and the telescopic end is connected to the discharge ratchet wrench. The discharge ratchet wrench is mounted on the conveying screw shaft. The fixed base and the discharge adjustment plate are bolted to the fixed box body, and the two ends of the discharge bending plate are bolted to the fixed base and the discharge adjustment plate respectively.
2. The anti-jamming screw conveyor discharge device according to claim 1, characterized in that, The conveying screw shaft is provided with a hexagonal structure, and the discharge ratchet wrench is attached to the hexagonal structure of the conveying screw shaft.
3. The anti-jamming screw conveyor discharge device according to claim 1, characterized in that, The discharge adjustment plate has a multi-hole structure, and the discharge bending plate has holes corresponding to the holes of the discharge adjustment plate. The holes are connected by bolts to different holes, and the other end of the discharge adjustment plate is connected to the support of the discharge adjustment plate.
4. The anti-jamming screw conveyor discharge device according to claim 1, characterized in that, The pitch of the spiral blades on the conveying screw shaft is gradually changing.
5. The anti-jamming screw conveyor discharge device according to claim 1, characterized in that, The conveying screw shaft is connected to the discharge ratchet wrench and rotates in one direction.
6. The anti-jamming screw conveyor discharge device according to claim 1, characterized in that, The box cover and the pair of discharge doors are both two-layer welded structures, with insulation cotton installed in the cavity between the two plates. The partition, the pair of discharge doors, and the box cover form a closed insulation structure.
Citation Information
Patent Citations
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CN101444970A
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CN203767622U