Anti-blocking device for center feeder

Abstract

The utility model discloses an anti-blocking device for a center feeding machine. The anti-blocking device comprises a feeding machine barrel and a discharging port formed in the feeding machine barrel. A fixed plate is connected to the top end of the feeding machine barrel, a threaded sleeve is rotationally connected into the fixed plate, a movable rod is connected into the threaded sleeve through threads, a threaded groove is formed in the outer wall of the threaded sleeve, two limiting plates are connected to the side wall of the movable rod, a conical plate is connected to the outer wall of the movable rod, and an annular plate matched with the conical plate for discharging is connected to the inner wall of the feeding machine barrel. A scraping mechanism is arranged on the outer wall of the movable rod. According to the anti-blocking device for the center feeding machine, a conical plate is driven by a movable rod to ascend and descend, materials stacked on the surface of the conical plate fall to the bottom end in a feeding machine barrel through a gap between the conical plate and an annular plate, and therefore the effect of intermittently discharging the materials in the feeding machine barrel can be achieved; and blockage caused by the fact that all materials are accumulated at the discharge port is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to center feeder technical field, concretely is a kind of anti-blocking device for center feeder. BACKGROUND

[0002] Center feeder is a kind of solid material (such as coal, ore, grain etc.) feeding and conveying equipment;It is usually installed at the bottom of silo or hopper, realizes the continuous, uniform and stable output of material from the center part of silo.

[0003] After material enters center feeder, generally uniform speed output of material at discharge port is carried out by helical blade, to reduce the material jam of discharge port.

[0004] When material is too much, it is easy to accumulate in the interior of feeder, especially when material is too wet or humid, it is easy to stick to the inner wall of feeder and the outer wall of helical blade, leading to poor conveying, and further causing discharge port jam. INVENTION CONTENTS

[0005] The utility model discloses a kind of anti-blocking device for center feeder, to solve the problem that when material is too much, it is easy to accumulate in the interior of feeder, especially when material is too wet or humid, it is easy to stick to the inner wall of feeder and the outer wall of helical blade, leading to poor conveying, and further causing discharge port jam.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-blocking device for center feeder, including feeder cylinder body, and the discharge port being opened in the interior of feeder cylinder body;

[0007] The feeder cylinder body top end is connected with fixed plate, the fixed plate interior is rotatably connected with threaded sleeve, the threaded sleeve interior is connected with movable rod by thread, the threaded sleeve outer wall is provided with screw groove, the movable rod side wall is connected with two limit plates, the movable rod outer wall is connected with conical plate, the feeder cylinder body inner wall is connected with annular plate that cooperates with conical plate and discharges, the movable rod outer wall is provided with scraping mechanism.

[0008] Preferably, the movable rod outer wall is connected with material conveying stick.

[0009] Preferably, the conical plate inner wall is connected with two struts, and the other ends of the two struts are connected to the movable rod outer wall.

[0010] Preferably, the scraping mechanism includes a sleeve ring, a first scraper, a second scraper and a driving member.

[0011] The outer wall of the movable rod is slidably connected with a sleeve ring, the outer wall of the sleeve ring is connected with two scraper plates one, the two scraper plates one are attached to the inner wall of the feeder barrel, the outer wall of the conical plate is connected with a scraper plate two, and the inner wall of the scraper plate two is attached to the inner wall of the feeder barrel.

[0012] Preferably, the driving member comprises a sliding groove and a connecting rod.

[0013] The inner part of any one of the scraper plates one is provided with a sliding groove, and the inner part of the sliding groove is slidably connected with a connecting rod, and the other end of the connecting rod is connected to the outer wall of the movable rod.

[0014] Preferably, the inner part of the annular plate is provided with an annular groove, and the inner part of the annular groove is slidably connected with two connecting blocks, and the bottom end of each connecting block is connected to the top end of the scraper plate one.

[0015] Preferably, the outer wall of the threaded sleeve is connected with a conical tooth one, the outer wall of the conical tooth one is engaged with a conical tooth two, the top end of the fixed plate is connected with a motor, and the conical tooth two is sleeved with the output end of the motor.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The movable rod drives the conical plate to lift, so that the materials accumulated on the surface of the conical plate fall into the bottom end of the feeder barrel through the gap between the conical plate and the annular plate, thereby playing the role of intermittent discharge of the materials in the feeder barrel, and avoiding the blockage of the materials at the discharge port.

[0018] 2. The movable rod rotates to drive the conical plate to rotate, and the movable rod rotates to drive the scraper plate one to rotate through the sliding groove and the connecting rod, so that the scraper plate one and the scraper plate two scrape the materials adhered to the inner wall of the feeder barrel, reduce the residence of the materials in the feeder barrel, and improve the discharging efficiency.

[0019] 3. The threaded sleeve is rotated to drive the movable rod to lift in the threaded sleeve, thereby driving the limiting plate and the conical plate to lift, the lifting distance of the movable rod is limited under the action of the limiting plate, the feeding rod is lifted and rotated at the same time that the movable rod can rotate and lift, thereby playing the role of feeding the materials in the discharge port, and avoiding the blockage in the discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a three-dimensional structure sectional view of the utility model;

[0022] Figure 3 It is a three-dimensional structure sectional view of the utility model Figure 2Structure enlarged schematic view at middle A;

[0023] Figure 4 The utility model discloses a three-dimensional structure part schematic view of threaded sleeve and sleeve ring.

[0024] In the figure: 1, feeder cylinder; 101, discharge port; 2, threaded sleeve; 201, movable rod; 202, threaded groove; 203, limiting plate; 204, conical plate; 205, annular plate; 206, material conveying stick; 3, sleeve ring; 301, scraper one; 302, chute; 303, connecting rod; 304, annular groove; 305, connecting block; 306, scraper two; 4, conical tooth one; 401, conical tooth two; 402, motor. DETAILED DESCRIPTION

[0025] 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 protection scope of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of anti-blocking device for center feeder, including feeder cylinder 1, and the discharge port 101 being opened in the inside of feeder cylinder 1;

[0027] Feeder cylinder 1 top end is connected with fixed plate, rotatingly connected with threaded sleeve 2 in the inside of fixed plate, movable rod 201 is connected in the inside of threaded sleeve 2 by screw thread, threaded groove 202 is arranged on the outer wall of threaded sleeve 2, two limiting plates 203 are connected on the side wall of movable rod 201, conical plate 204 is connected on the outer wall of movable rod 201, annular plate 205 that cooperates with conical plate 204 and discharges is connected on the inner wall of feeder cylinder 1, and scraping mechanism is arranged on the outer wall of movable rod 201;By pouring material into the inside of feeder cylinder 1, movable rod 201 is lifted in the inside of threaded sleeve 2 by rotating threaded sleeve 2, so as to drive limiting plate 203 and conical plate 204 to lift, limiting distance of movable rod 201 is limited under the action of limiting plate 203, when conical plate 204 is away from the surface of annular plate 205, material accumulated on the surface of conical plate 204 falls to the bottom end in the inside of feeder cylinder 1 through the gap between conical plate 204 and annular plate 205, so as to play the role of intermittent discharge to material in the inside of feeder cylinder 1, avoid that material is all accumulated at discharge port 101, cooperate with scraping mechanism, can make movable rod 201 synchronous to the material adhered to the inner wall of feeder cylinder 1 when rotating and carry out scraping, and the discharge of material plays the role of driving in horizontal direction.

[0028] The outer wall of the movable rod 201 is connected to a feed rod 206; by rotating the movable rod 201, the feed rod 206 is driven to rotate and lift synchronously, so that the feed rod 206 can play a feeding role on the material inside the discharge port 101, avoiding blockage inside the discharge port 101.

[0029] Two support rods are connected to the inner wall of the conical plate 204, and the other ends of the two support rods are connected to the outer wall of the movable rod 201; under the action of the two support rods, the stability and support strength of the conical plate 204 can be enhanced. The conical plate 204 is hollow in setting, which can reduce the weight of the conical plate 204, so that the conical plate 204 can be stably lifted and rotated.

[0030] The scraping mechanism includes a collar 3, a scraper 1 301, a scraper 2 306 and a driving member;

[0031] The outer wall of the movable rod 201 is slidably connected to a collar 3, and the outer wall of the collar 3 is connected to two scraper plates 1 301, and the two scraper plates 1 301 are both attached to the inner wall of the feeder barrel 1, and the outer wall of the conical plate 204 is connected to the scraper plate 2 306, and the outer wall of the scraper plate 2 306 is attached to the inner wall of the feeder barrel 1; the movable rod 201 rotates and the conical plate 204 drives the scraper plate 2 306 to rotate, and the movable rod 201 rotates and the driving member pushes the scraper plate 1 301 to rotate, so that the scraper plate 1 301 and the scraper plate 2 306 scrape off the material adhered to the inner wall of the feeder barrel 1, thereby reducing the residence of the material inside the feeder barrel 1.

[0032] The driving member includes a slide 302 and a connecting rod 303;

[0033] A sliding groove 302 is provided inside any scraper 301, and a connecting rod 303 is slidably connected inside the sliding groove 302, and the other end of the connecting rod 303 is connected to the outer wall of the movable rod 201; when the movable rod 201 is raised and lowered, the connecting rod 303 is driven to slide inside the sliding groove 302, and when the movable rod 201 is rotated, the sliding groove 302 and the connecting rod 303 are in a sliding connection state, which enables the connecting rod 303 to drive the scraper 301 to rotate.

[0034] An annular groove 304 is provided inside the annular plate 205, and two connecting blocks 305 are slidably connected inside the annular groove 304. The bottom end of each connecting block 305 is connected to the top of the scraper 1 301; when the scraper 1 301 rotates, the connecting block 305 is driven to slide inside the annular groove 304, thereby limiting the rotation of the scraper 1 301.

[0035] The outer wall of the threaded sleeve 2 is connected with the conical teeth one 4, the outer wall of the conical teeth one 4 is engaged with the conical teeth two 401, the top end of the fixed plate is connected with the motor 402, the conical teeth two 401 is sleeved with the output end of the motor 402; the conical teeth two 401 is driven to rotate through the motor 402, and then the conical teeth two 401 drives the threaded sleeve 2 connected with the conical teeth one 4 to rotate in the fixed plate, and then drives the threaded sleeve 2 to ascend and rotate.

[0036] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of anti-blocking device for center feeder, including feeder barrel (1), and discharge port (101) being opened in the inside of feeder barrel (1);It is characterized by: The fixed plate is connected at the top of the feeder barrel (1), the threaded sleeve (2) is rotatably connected in the inside of the fixed plate, the movable rod (201) is connected by thread in the inside of the threaded sleeve (2), the threaded groove (202) is arranged on the outer wall of the threaded sleeve (2), two limit plates (203) are connected on the side wall of the movable rod (201), the conical plate (204) is connected on the outer wall of the movable rod (201), the annular plate (205) that cooperates with the conical plate (204) is connected on the inner wall of the feeder barrel (1), and the scraping mechanism is arranged on the outer wall of the movable rod (201).

2. A choke for a center feed machine according to claim 1, wherein: The movable rod (201) is connected with the material conveying stick (206) on the outer wall.

3. A choke for a center feed machine according to claim 1, wherein: Two struts are connected on the inner wall of the conical plate (204), and the other ends of the two struts are connected on the outer wall of the movable rod (201).

4. A choke for a center feed machine according to claim 1, wherein: The scraping mechanism includes sleeve ring (3), scraper one (301), scraper two (306) and driving part; The sleeve ring (3) is slidably connected on the outer wall of the movable rod (201), the two scraper one (301) are connected on the outer wall of the sleeve ring (3), the two scraper one (301) are attached on the inner wall of the feeder barrel (1), the scraper two (306) is connected on the outer wall of the conical plate (204), and the inner wall of the feeder barrel (1) is attached on the outer wall of the scraper two (306).

5. A choke for a center feed machine according to claim 4, wherein: The driving part includes sliding groove (302) and connecting rod (303); Any one of the scraper one (301) is provided with sliding groove (302) in the inside, the connecting rod (303) is slidably connected in the inside of the sliding groove (302), and the other end of the connecting rod (303) is connected on the outer wall of the movable rod (201).

6. A choke for a center feed machine according to claim 4 wherein: The annular groove (304) is formed in the inside of the annular plate (205), the two connecting blocks (305) are slidably connected in the inside of the annular groove (304), and the bottom of the two connecting blocks (305) is connected on the top of the scraper one (301).

7. A choke for a center feed machine according to claim 1, wherein: The conical teeth one (4) is connected on the outer wall of the threaded sleeve (2), the conical teeth two (401) is engaged on the outer wall of the conical teeth one (4), the motor (402) is connected on the top of the fixed plate, and the conical teeth two (401) is sleeved with the output end of the motor (402).

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