Pellet mill arc door cover structure

Abstract

The utility model discloses an arc door cover structure for a granulator, and specifically relates to the technical field of granulators, including a door cover body, wherein the inner and outer walls at the top edge of the door cover body are both arc-shaped, and a mounting shell is provided on the side wall of the portion of the door cover body corresponding to the arc at the top. The utility model avoids the accumulation of raw materials at the inner top of the door cover body and increases its volume by designing the arc structure at the top of the door cover body, and at the same time cooperates with a knocking mechanism to synchronously drive a plurality of transmission rods to drive a knocking head to swing back and forth, so that the knocking head continuously knocks the arc-shaped portion at the top of the door cover body, thereby utilizing the vibration generated by the knocking to shake off the raw materials adhered to the inner wall of the door cover body, further improving the effect of preventing material accumulation and raw materials from adhering to the inner wall of the door cover body, being easy to use and more practical. The utility model uses a connecting assembly and a connection method between the knocking head and the transmission rod so that the mounting shell can be detached to replace and maintain its internal components, and it is also convenient to replace the knocking head.

Description

Technical Field

[0001] The utility model relates to the technical field of granulators, in particular to an arc door cover structure of a granulator. Background Art

[0002] The pellet mill is mainly composed of feeding, mixing, pelletizing, transmission and lubrication systems; the pellet mill can be divided into feed pellet mill and biomass energy pellet mill. Its working process is that the mixed powder with a moisture content of no more than 15% is required to enter the feeding auger from the hopper, and the appropriate material flow is obtained by adjusting the speed of the stepless speed regulating motor, and then enter the agitator, and is stirred by the stirring rod and mixed with steam for conditioning. If molasses or grease needs to be added, it is also added from the mixing drum to condition together with steam. The amount of grease added is generally not more than 3%, otherwise it is difficult to form. After conditioning, the temperature of the mixed powder can reach 64-85℃, and the humidity can reach 14%-16%. Then it passes through the chute through the optional iron absorption device to remove iron impurities mixed in the powder, and finally enters the pressing chamber for granulation.

[0003] The composition of the granulator is composed of multiple parts, including a door cover structure. At present, the conventional door covers of most granulators on the market are right-angled. This kind of door cover structure can easily cause the accumulation of hot and humid raw materials at right angles (dead corners) during use, resulting in the occurrence of material residue. After the equipment has been running for a long time, large pieces of accumulated block materials (rice crust) will fall off, which will affect the next process and easily cause the next equipment to be blocked. It is inconvenient to use and has relatively poor practicality. Utility Model Content

[0004] The utility model aims to provide a circular arc door cover structure for a granulator to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an arc door cover structure of a pelletizer, comprising a door cover body, the inner and outer walls at the edge of one end of the door cover body are both arc-shaped, a mounting shell is provided on the side wall corresponding to the arc on one side of the door cover body, the mounting shell is detachably connected to the door cover body through a connecting assembly, a knocking mechanism is provided in the mounting shell, the knocking mechanism comprises a servo motor, and the servo motor is fixedly installed on one side of the top of the mounting shell by bolts, a plurality of reciprocating screw rods are rotatably installed on one side of the mounting shell, sprockets are sleeved and installed at corresponding positions of the outer wall of the reciprocating screw rod, the plurality of sprockets are connected by chains, the outer wall of the reciprocating screw rod is matched with a movable sliding block, one end of the sliding block is movably connected to a transmission rod, and one end of the transmission rod is connected to a knocking head.

[0006] Furthermore, the knocking mechanism also includes a first fixed rod, which is symmetrically arranged on both sides of the transmission rod, and the right end of the first fixed rod is fixedly connected to the top wall of the mounting shell, and a rotating shaft is rotatably installed between the two first fixed rods, the rotating shaft penetrates the transmission rod, and the rotating shaft is fixedly connected to the transmission rod, and the end of the transmission rod away from the knocking head is movably connected to the slider through a connecting rod, and the output end of the servo motor is fixedly connected to the end of the reciprocating screw corresponding to it in the mounting shell. The setting of the knocking mechanism can continuously drive multiple knocking heads to reciprocate, thereby continuously knocking on the arc-shaped part on the top of the door cover body, thereby shaking off the raw materials adhered to the wall surface at that location in the door cover body, and the occurrence of material accumulation or material residue on the wall surface will not affect or block the use of equipment in the next process, and the practicality is strong.

[0007] Furthermore, the connecting assembly includes a fixed block and a connecting block. Several of the fixed blocks are respectively arranged on one end of the door cover body and the side wall of the door cover body on the left side of the mounting shell. The connecting blocks are respectively fixedly installed on the left and right walls of the mounting shell. The connecting blocks and the fixed blocks are fixed by bolts. The setting of the connecting assembly allows the mounting shell as a whole to be disassembled and assembled with the door cover body, which is convenient for maintenance, repair or replacement of components inside the mounting shell.

[0008] Furthermore, the reciprocating screw rod and the rotating shaft are rotatably connected to the mounting shell and the first fixed rod through bearings respectively, and the two ends of the connecting rod are respectively hinged to the slider and the transmission rod to transmit power, driving the transmission rod to drive the knocking head to swing left and right.

[0009] Furthermore, a second fixing rod is provided on both sides of the sprocket on one side wall of the mounting shell, and one end of the second fixing rod is threadedly connected to the inner side wall of the mounting shell, a guide wheel is provided on the outer wall rotating sleeve of the second fixing rod, and the guide wheel is located on the side of the chain close to the door cover body, and a handle is connected to the other end of the second fixing rod to limit and guide the chain so that it engages with the sprocket, and the second fixing rod and the guide wheel can be easily disassembled and replaced.

[0010] Furthermore, a thread groove is provided at one end of the knocking head, and an external thread matching the thread groove is provided at one end of the transmission rod near the knocking head, so as to facilitate the disassembly and replacement of the knocking head.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0012] 1. The utility model prevents raw materials from accumulating at the top of the door cover body and increases its volume by designing the arc structure at the top of the door cover body. At the same time, in conjunction with the knocking mechanism, it can synchronously drive a plurality of transmission rods to drive the knocking head to swing back and forth, so that the knocking head continuously knocks the arc-shaped part at the top of the door cover body, thereby utilizing the vibration generated by the knocking to shake off the raw materials adhering to the inner wall of the door cover body, further improving the effect of preventing material accumulation and raw materials from adhering to the inner wall of the door cover body, and is easy to use and more practical;

[0013] 2. The utility model uses a connection method between the connecting assembly and the knocking head and the transmission rod to make it possible to replace and maintain its internal components through a detachable mounting shell, and also facilitate the replacement of the knocking head. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the partial structure inside the installation shell of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the door cover body of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure between the installation shell, the reciprocating screw rod and the sprocket of the utility model;

[0019] Figure 5 This utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0020] Figure 6 It is a schematic diagram of the structure between the knocking head and the transmission rod of the utility model;

[0021] In the figure: 1. door cover body; 2. mounting shell; 3. fixing block; 4. connecting block; 5. servo motor; 6. reciprocating screw rod; 7. sprocket; 8. chain; 9. slider; 10. connecting rod; 11. first fixing rod; 12. rotating shaft; 13. transmission rod; 14. knocking head; 15. second fixing rod; 16. guide wheel; 17. threaded groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in 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 in 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.

[0023] like Figure 1 - Figure 6The shown granulator arc door cover structure comprises a door cover body 1, the inner and outer walls at the edge of one end of the door cover body 1 are both arc-shaped, a mounting shell 2 is provided on the side wall corresponding to the arc on one side of the door cover body 1, the mounting shell 2 is detachably connected to the door cover body 1 through a connecting assembly, a knocking mechanism is provided in the mounting shell 2, the knocking mechanism comprises a servo motor 5, and the servo motor 5 is fixedly installed on one side of the top of the mounting shell 2 by bolts, a plurality of reciprocating screw rods 6 are rotatably installed on one side of the mounting shell 2, sprocket wheels 7 are sleeved and installed at corresponding positions of the outer wall of the reciprocating screw rod 6, and the plurality of sprocket wheels 7 are connected by a chain 8, the outer wall of the reciprocating screw rod 6 is matched with a movable sliding block 9, one end of the sliding block 9 is movably connected to a transmission rod 13, and one end of the transmission rod 13 is connected to a knocking head 14. In this example, the knocking mechanism also includes a first fixed rod 11, which is symmetrically arranged on both sides of the transmission rod 13, and the right end of the first fixed rod 11 is fixedly connected to the top wall of the mounting shell 2. A rotating shaft 12 is rotatably installed between the two first fixed rods 11, and the rotating shaft 12 passes through the transmission rod 13, and the rotating shaft 12 is fixedly connected to the transmission rod 13. The end of the transmission rod 13 away from the knocking head 14 is movably connected to the slider 9 through the connecting rod 10, and the output end of the servo motor 5 is fixedly connected to the end of the reciprocating screw 6 corresponding to it in the mounting shell 2. The setting of the knocking mechanism can continuously drive multiple knocking heads to reciprocate, thereby continuously knocking on the arc-shaped part on the top of the door cover body, thereby shaking off the raw materials adhered to the wall surface at that location in the door cover body, and the occurrence of material accumulation or material residue on the wall surface will not affect or block the use of equipment in the next process, and the practicality is strong. In this example, the connecting assembly includes a fixing block 3 and a connecting block 4. Several fixing blocks 3 are respectively arranged on one end of the door cover body 1 and on the side wall of the door cover body 1 on the left side of the mounting shell 2. The connecting blocks 4 are respectively fixedly installed on the left and right walls of the mounting shell 2. The connecting blocks 4 and the fixing blocks 3 are fixed by bolts. The setting of the connecting assembly allows the mounting shell as a whole to be disassembled and assembled with the door cover body, which is convenient for maintenance, repair or replacement of components inside the mounting shell.

[0024] In this example, the reciprocating screw 6 and the rotating shaft 12 are rotatably connected to the mounting shell 2 and the first fixed rod 11 through bearings, respectively. The two ends of the connecting rod 10 are respectively hinged with the slider 9 and the transmission rod 13 to transmit power, driving the transmission rod to drive the knocking head to swing up and down. In this example, a second fixed rod 15 is provided on both sides of the sprocket 7 on the inner side wall of the mounting shell 2, and one end of the second fixed rod 15 is threadedly connected to the inner side wall of the mounting shell 2. A guide wheel 16 is rotatably sleeved on the outer wall of the second fixed rod 15, and the guide wheel 16 is located on the side of the chain 8 close to the door cover body 1. A handle is connected to the other end of the second fixed rod 15 to limit the chain and guide it to engage with the sprocket, and the second fixed rod and the guide wheel can be easily disassembled and replaced. In this example, a threaded groove is provided at one end of the knocking head, and an external thread matching the threaded groove is provided at the end of the transmission rod close to the knocking head to facilitate the disassembly and replacement of the knocking head.

[0025] The working principle of the utility model is as follows: when in use, the arc-shaped structure design at one end of the door cover body 1 can prevent the accumulation of raw materials and the adhesion of some residual raw materials when in use, and increase its volume; and during use, the servo motor 5 is started to drive the connected reciprocating screw 6 to rotate, and then drive the sprocket 7 connected thereto to rotate, so as to cooperate with the chain 8 to drive several sprockets 7 and the reciprocating screw 6 to rotate synchronously, so that the reciprocating screw 6 will continuously drive the slider 9 to reciprocate left and right, and at the same time, the slider 9 will drive the connecting rod 10 and then drive the transmission rod 13, so that the transmission rod 13 swings left and right around the rotating shaft 12, so that the transmission rod 13 drives the connected knocking head 14 to move synchronously, so that the knocking head 14 The outer wall of the door cover body 1 is continuously knocked, so that the raw materials adhering to or remaining on the inner wall of the door cover body 1 are shaken off, and the effect of preventing material accumulation and sticking of the device is further improved, thereby avoiding the blocky raw materials generated by the accumulation from being transported to the next process, causing blockage of its equipment and affecting its use; and the fixing block 3 and the connecting block 4 are connected and fixed by bolts to realize the assembly connection between the door cover body 1 and the mounting shell 2, so that it is convenient to disassemble the mounting shell 2, so as to maintain and repair the internal parts of the mounting shell 2. At the same time, the second fixing rod 15 and the mounting shell 2 as well as the knocking head 14 and the transmission rod 13 are all threadedly connected, so that it is convenient to disassemble, replace and repair, easy to use, and more practical.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A granulator arc door cover structure, comprising a door cover body (1), characterized in that: The inner and outer walls at the edge of one end of the door cover body (1) are both arc-shaped, and a mounting shell (2) is provided on a portion of the side wall corresponding to the arc on one side of the door cover body (1). The mounting shell (2) is detachably connected to the door cover body (1) through a connecting assembly, and a knocking mechanism is provided in the mounting shell (2). The knocking mechanism includes a servo motor (5), and the servo motor (5) is fixedly installed on one side of the top of the mounting shell (2) by bolts. A plurality of reciprocating screw rods (6) are rotatably installed on one side of the mounting shell (2), and sprocket wheels (7) are sleeved and installed at corresponding positions on the outer wall of the reciprocating screw rod (6). The plurality of sprocket wheels (7) are connected by chains (8), and a movable sliding block (9) is matched and sleeved on the outer wall of the reciprocating screw rod (6), and one end of the sliding block (9) is movably connected to a transmission rod (13), and one end of the transmission rod (13) is connected to a knocking head (14).

2. The granulator arc door cover structure according to claim 1 is characterized in that: The knocking mechanism further comprises a first fixing rod (11), the first fixing rod (11) being symmetrically arranged on both sides of the transmission rod (13), and the right end of the first fixing rod (11) being fixedly connected to the top wall of the mounting shell (2), a rotating shaft (12) being rotatably mounted between the two first fixing rods (11), the rotating shaft (12) penetrating the transmission rod (13), and the rotating shaft (12) and the transmission rod (13) being fixedly connected, the end of the transmission rod (13) away from the knocking head (14) being movably connected to the slider (9) through the connecting rod (10), and the output end of the servo motor (5) being fixedly connected to one end of the reciprocating screw rod (6) corresponding thereto in the mounting shell (2).

3. The granulator arc door cover structure according to claim 2 is characterized in that: The connection assembly comprises a fixing block (3) and a connecting block (4); a plurality of the fixing blocks (3) are respectively arranged on one end of the door cover body (1) and on the side wall of the door cover body (1) on the left side of the mounting shell (2); the connecting blocks (4) are respectively fixedly mounted on the left and right walls of the mounting shell (2); and the connecting blocks (4) are fixed to the fixing blocks (3) by bolt connection.

4. The granulator arc door cover structure according to claim 2 is characterized in that: The reciprocating screw rod (6) and the rotating shaft (12) are rotatably connected to the mounting shell (2) and the first fixed rod (11) respectively through bearings, and the two ends of the connecting rod (10) are respectively hinged to the slider (9) and the transmission rod (13).

5. The granulator arc door cover structure according to claim 2 is characterized in that: A second fixing rod (15) is provided on both sides of the sprocket wheel (7) on an inner side wall of the mounting shell (2), and one end of the second fixing rod (15) is threadedly connected to an inner side wall of the mounting shell (2); a guide wheel (16) is rotatably sleeved on an outer wall of the second fixing rod (15), and the guide wheel (16) is located on a side of the chain (8) close to the door cover body (1); and the other end of the second fixing rod (15) is connected to a handle.

6. The granulator arc door cover structure according to claim 2 is characterized in that: A thread groove (17) is provided at one end of the knocking head (14), and an external thread matching the thread groove (17) is provided at one end of the transmission rod (13) close to the knocking head (14).

Images