Automatic material distribution device and control system for nitriding furnace

Abstract

The invention provides an automatic material distribution device of a nitriding furnace and a control system, and belongs to the technical field of nitriding furnace cloth. The automatic material distribution device and control system of the nitriding furnace comprises a hard ground, a main material barrel and a lower stirring assembly. The bottom of the upper stirring assembly is fixedly connected with the top of an output shaft of the driving motor, the bottom of the main material barrel is fixedly connected with four material guide pipelines which are communicated with one another, material distribution augers are rotationally installed in the material guide pipelines and matched with the driving motor, and the lower stirring assembly is rotationally installed in the material distribution barrel. The upper part of the lower stirring assembly is matched with the end part of the distributing auger. The material distribution device has the beneficial effects that one driving motor is adopted for material distribution, the equipment cost is saved, errors of material distribution in multiple directions are reduced, the second shaft column and the second stirring frame in the material distribution barrel are driven to rotate through rotation of the material distribution auger, and therefore materials distributed in the material distribution barrel can be stirred and mixed.

Description

Technical Field

[0001] The invention relates to the field of nitriding furnace cloths, and in particular to an automatic cloth distributing device and a control system for a nitriding furnace. Background Art

[0002] Nitriding furnace is a device with nitriding treatment, which has the characteristics of low treatment temperature, short treatment time, small deformation of workpiece, high fatigue limit and good wear resistance. Nitriding treatment refers to a chemical heat treatment process that allows nitrogen atoms to penetrate into the surface of the workpiece in a certain medium at a certain temperature. Products treated with nitriding have excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance.

[0003] When traditional nitriding furnaces are distributing materials, a driving motor is basically arranged in each direction to drive the dragon to transfer the materials. This method of distributing materials requires the purchase of multiple motors, which increases the cost of distributing materials. Moreover, the amount of materials cannot be synchronized, and there are errors in the distribution of materials in multiple nitriding furnaces. Therefore, there are deficiencies, which has become a problem that needs to be urgently solved by technical personnel in this field. Summary of the invention

[0004] In order to make up for the above shortcomings, the present invention provides an automatic feeding device and control system for a nitriding furnace, which aims to improve the feeding of the traditional nitriding furnace. When feeding, a driving motor is basically arranged in each direction to drive the dragon to transfer the feeding. This feeding method requires the purchase of multiple motors, which increases the cost of feeding, and the number of feedings cannot be synchronized, and there is an error problem in the feeding of multiple nitriding furnaces.

[0005] The present invention is achieved in that:

[0006] In a first aspect, an automatic material distribution device for a nitriding furnace according to an embodiment of the present application includes a hard floor, a main material barrel and a lower stirring assembly.

[0007] A plurality of pits are provided at the bottom of the hard floor, a plurality of material distribution barrels and driving motors are provided in the pits, and one material distribution barrel is provided at each of the four positions of the driving motor; the main material barrel is provided at the upper part of the hard floor, an upper stirring assembly is rotatably installed inside the main material barrel, the bottom of the upper stirring assembly is fixedly connected to the top of the output shaft of the driving motor, four material guiding pipes which are interconnected are fixedly connected to the bottom of the main material barrel, material distribution dragons are rotatably installed in the material guiding pipes, the material distribution dragons are matched with the driving motor, and the ends of the material guiding pipes are connected to the inside of the material distribution barrel; the lower stirring assembly is rotatably installed in the material distribution barrel, and the upper part of the lower stirring assembly is matched with the end of the material distribution dragon.

[0008] In a specific embodiment, the bottom of the main material barrel is connected to a fixed sleeve, the bottom of the fixed sleeve is connected to four material guide pipes, and the ends of the material guide pipes are fixedly installed with rotating shaft sleeves.

[0009] In a specific implementation manner, a driving bevel gear is fixedly connected to the top of the output shaft of the driving motor.

[0010] In a specific embodiment, the upper stirring assembly includes a fixed sleeve, a rotating sleeve cover, a first shaft column and a first stirring frame, the bottom of the fixed sleeve is fixedly connected to the central ends of the four material guide pipes, the side wall of the fixed sleeve is equidistantly provided with four rotating holes in a ring shape, the fixed sleeve is sleeved on the outside of the active bevel gear, the rotating sleeve cover is arranged on the upper part of the fixed sleeve, the bottom of the rotating sleeve cover is fixedly connected to a stable base, the stable base is rotatably installed in the top of the fixed sleeve, the top of the fixed sleeve is provided with a rounded structure, the bottom of the first shaft column is fixedly connected to the top of the rotating sleeve cover, three first stirring frames are provided, the three first stirring frames are respectively located on the periphery of the outer wall of the first shaft column, and the first stirring frame is rotatably arranged in the main material barrel.

[0011] In a specific embodiment, the bottom end of the first shaft column is fixedly connected to the top end of the active bevel gear.

[0012] In a specific implementation, one end of the distribution dragon is fixedly connected to a driven bevel gear, the driven bevel gear is rotatably arranged in the fixed sleeve, the driven bevel gear is meshingly connected with the driving bevel gear, the other end of the distribution dragon is rotatably installed in the rotating shaft sleeve, the other end of the distribution dragon is fixedly connected to an auxiliary shaft, the upper part of the auxiliary shaft is fixedly connected to a first bevel gear, and the extended end of the auxiliary shaft is rotatably installed in the support column.

[0013] In a specific embodiment, the lower stirring assembly includes a second shaft column and a second stirring frame, the second shaft column is rotatably installed in the distribution barrel, the top end of the second shaft column is fixedly connected with a second bevel gear, the second bevel gear is meshingly connected with the first bevel gear, and three second stirring frames are arranged, and the three second stirring frames are respectively located around the outer wall of the second shaft column, and the second stirring frame is rotatably arranged in the distribution barrel.

[0014] In a specific embodiment, a flow monitor is provided at the end connection port of the material guiding pipe in communication with the connection port of the side wall of the main material barrel.

[0015] In the second aspect, the embodiment of the present application also provides an automatic material distribution control system for a nitriding furnace, including the automatic material distribution device for the nitriding furnace, a control platform is fixedly arranged on the upper part of the hard ground, a PLC controller is arranged in the control platform, a screen and control buttons are arranged on the control platform, and the PLC controller is electrically connected to the flow monitor and the drive motor respectively.

[0016] The beneficial effects of the present application are as follows: the driving motor drives the active bevel gear and the first shaft column to rotate simultaneously, and the first shaft column can drive the first stirring frame to stir and mix the raw materials in the main barrel while the first shaft column rotates, and the rotating sleeve cover is driven to rotate while the first shaft column rotates, thereby preventing the raw materials from entering the fixed sleeve and affecting the meshing movement when being lowered, and the rotating sleeve cover is set to be small at the top and large at the bottom, thereby avoiding blocking the lowering of the raw materials, and the active bevel gear will mesh with the driven bevel gear while rotating, thereby driving the distribution dragon in four directions to rotate, and the rotation of the distribution dragon will cause the lowered raw materials to be transmitted and distributed in four different directions, using a driving motor It drives the material distribution in four directions, effectively saving the equipment procurement cost, and the material distribution is basically synchronous, reducing the errors in multiple directions of the material distribution. The rotation of the material distribution dragon drives the rotation of the first bevel gear, and the rotation of the first bevel gear drives the rotation of the second bevel gear, thereby driving the second shaft column and the second stirring frame inside the distribution barrel to rotate, so that the material distributed inside the distribution barrel can be stirred and mixed, and the accumulation of materials at the connection between the material guide pipe and the side wall of the main barrel can be avoided. At the same time, the whole equipment can be driven by a driving motor, and the flow data is transmitted to the PLC controller in the control platform through the flow monitor to control the speed of the driving motor, thereby changing the material distribution rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of an automatic material distribution device for a nitriding furnace provided in an embodiment of the present invention;

[0019] Figure 2 A schematic structural diagram of a material distribution barrel is provided for an embodiment of the present invention;

[0020] Figure 3 A structural schematic diagram of a material guide pipe cross section is provided for an embodiment of the present invention;

[0021] Figure 4Provided for the embodiments of the present invention Figure 3 The enlarged structural diagram of the middle A part;

[0022] Figure 5 A structural schematic diagram of a fixed sleeve cross section is provided for an embodiment of the present invention;

[0023] Figure 6 A structural schematic diagram of a cloth dragon is provided for an embodiment of the present invention.

[0024] In the figure: 1. hard ground; 2. main material barrel; 3. upper stirring assembly; 4. material guide pipe; 5. control platform; 6. material distribution barrel; 7. lower stirring assembly; 8. flow monitor; 9. support column; 10. drive motor; 11. material distribution dragon; 12. fixed sleeve; 13. rotating sleeve cover; 14. rotating hole; 15. active bevel gear; 16. driven bevel gear; 17. stable bottom support; 18. first shaft column; 19. first stirring frame; 20. auxiliary shaft; 21. first bevel gear; 22. second bevel gear; 23. second shaft column; 24. second stirring frame; 25. rotating shaft sleeve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example

[0027] See also Figure 1-Figure 6 As shown, the present invention provides an automatic material distribution device for a nitriding furnace, comprising a hard floor 1, a main material barrel 2 and a lower stirring assembly 7.

[0028] The hard floor 1 is set as a working platform surface of one layer or directly the ground, and the material distribution barrel 6 and the driving motor 10 are located inside or at the lower layer of the hard floor 1 {it can also be understood that if the hard floor 1 is the second floor of the floor, then the material distribution barrel 6 and the driving motor 10 are at the hard floor 1. In short, the hard floor 1 is a working platform on which workers can perform production operations}, a plurality of pits are arranged at the bottom of the hard floor 1, and a plurality of material distribution barrels 6 and driving motors 10 are arranged in the pits, which are convenient for the installation and placement of the material distribution barrels 6 and the driving motor 10. There is one material distribution barrel 6 at each of the four positions of the driving motor 10, and material can be laid in four different positions. An active bevel gear 15 is fixedly connected to the top of the output shaft of the driving motor 10, and a support column 9 is fixedly connected to the upper part of the hard floor 1. The support column 9 is arranged in cooperation with the outer end of the material distribution dragon 11, and the support column 9 is used to bear the sinking force of the extended end of the material distribution dragon 11;

[0029] The main material barrel 2 is arranged on the upper part of the hard ground 1, and the raw materials of the required cloth are placed in the main material barrel 2. The upper stirring component 3 is rotatably installed inside the main material barrel 2. The upper stirring component 3 can mix and stir the raw materials in the main material barrel 2 and perform a series of operations to avoid the raw materials remaining inside the main material barrel 2. The bottom of the upper stirring component 3 is fixedly connected to the top of the output shaft of the driving motor 10. The upper stirring component 3 includes a fixed sleeve 12, a rotating sleeve cover 13, a first shaft column 18 and a first stirring frame 19. The bottom of the fixed sleeve 12 is fixedly connected to the central ends of the four material guide pipes 4. The side wall of the fixed sleeve 12 is equidistantly provided with four rotating holes 14 in a ring shape. The fixed sleeve 12 is sleeved on the outside of the active bevel gear 15, and the rotating sleeve cover 13 is arranged on the fixed sleeve The upper part of 12, the bottom of the rotating cover 13 is fixedly connected with a stable bottom bracket 17, the stable bottom bracket 17 is rotatably installed in the top of the fixed sleeve 12, the top of the fixed sleeve 12 is provided with a rounded structure, the bottom of the first shaft column 18 is fixedly connected to the top of the rotating cover 13, three first stirring frames 19 are provided, and the three first stirring frames 19 are respectively located around the outer wall of the first shaft column 18, the first stirring frame 19 is rotatably set in the main barrel 2, the bottom end of the first shaft column 18 is fixedly connected to the top of the active bevel gear 15, the bottom of the main barrel 2 is fixedly connected with four mutually connected material guide pipes 4, the material guide pipes 4 are rotatably installed with a cloth dragon 11, the cloth dragon 11 is arranged in cooperation with the driving motor 10, and one end of the cloth dragon 11 is fixedly connected A driven bevel gear 16 is connected, and the driven bevel gear 16 is rotatably arranged in the fixed sleeve 12. The driven bevel gear 16 is meshed with the active bevel gear 15. The other end of the material distribution dragon 11 is rotatably installed in the rotating shaft sleeve 25. The other end of the material distribution dragon 11 is fixedly connected with an auxiliary shaft 20, and the upper part of the auxiliary shaft 20 is fixedly connected with a first bevel gear 21. The extended end of the auxiliary shaft 20 is rotatably installed in the support column 9. The end of the material guide pipe 4 is connected to the inside of the material distribution barrel 6. The bottom of the main material barrel 2 is connected with a fixed sleeve 12. The bottom of the fixed sleeve 12 is connected with four material guide pipes 4. The end of the material guide pipe 4 is fixedly installed with a rotating shaft sleeve 25. The driving motor 10 is driven to rotate and drive the active bevel gear 15 to rotate and the first shaft column 18 rotates at the same time, and when the first shaft column 18 rotates, it can drive the first stirring frame 19 to stir and mix the raw materials in the main barrel 2, and the first shaft column 18 rotates and drives the rotating cover 13 to rotate, so as to avoid the raw materials entering the fixed sleeve 12 and affecting the meshing movement when being lowered, and the rotating cover 13 is set to be small at the top and large at the bottom, so as to avoid blocking the lowering of the raw materials. When the active bevel gear 15 rotates, it will mesh with the driven bevel gear 16, and then drive the four-direction material distribution dragon 11 to rotate. The rotation of the material distribution dragon 11 will make the lowered raw materials be transmitted and distributed in four different directions. A driving motor 10 is used to drive the material distribution in four directions, which effectively saves the equipment procurement cost, and the material distribution is basically synchronous.Reduce the errors in multiple directions of the fabric;

[0030] The lower stirring assembly 7 is rotatably installed in the material distribution barrel 6, and the upper part of the lower stirring assembly 7 is matched with the end of the material distribution dragon 11. The lower stirring assembly 7 includes a second shaft column 23 and a second stirring frame 24. The second shaft column 23 is rotatably installed in the material distribution barrel 6. The top of the second shaft column 23 is fixedly connected with a second bevel gear 22, and the second bevel gear 22 is meshed and connected with the first bevel gear 21. There are three second stirring frames 24, and the three second stirring frames 24 are respectively located around the outer wall of the second shaft column 23. The second stirring frame 24 is rotatably arranged in the material distribution barrel 6. The first bevel gear 21 is driven to rotate by the rotation of the material distribution dragon 11. The rotation of the first bevel gear 21 will drive the second bevel gear 22 to rotate, thereby driving the second shaft column 23 and the second stirring frame 24 inside the material distribution barrel 6 to rotate, so that the materials distributed inside the material distribution barrel 6 can be stirred and mixed, and the material piling at the connection port between the material guide pipe 4 and the side wall of the main material barrel 2 is avoided. At the same time, the overall equipment can be driven by a driving motor 10;

[0031] The end connection port of the material guide pipe 4 is connected to the connection port on the side wall of the main material barrel 2 and is provided with a flow monitor 8, which is convenient for real-time monitoring of the amount of material transmitted at each connection port and can scientifically control the material distribution situation inside each sub-barrel 6.

[0032] See also Figure 1-Figure 6 As shown, the present invention also provides an automatic material distribution control system for a nitriding furnace, including the above-mentioned automatic material distribution device for a nitriding furnace, a control platform 5 is fixedly arranged on the upper part of the hard ground 1, a PLC controller is arranged in the control platform 5, and data programming is performed on the PLC controller {data programming is performed according to the required working requirements}, a screen and control buttons are arranged on the control platform 5, and the PLC controller is electrically connected to the flow monitor 8 and the drive motor 10 respectively, so as to facilitate the control of the flow monitor 8 and the drive motor 10, and the flow data is transmitted to the PLC controller in the control platform 5 through the flow monitor 8 to control the rotation speed of the drive motor 10, thereby changing the material distribution rate.

[0033] Specifically, the working principle of the automatic material distribution device and control system of the nitriding furnace is as follows: the driving motor 10 is driven to rotate the active bevel gear 15 and the first shaft column 18 at the same time. When the first shaft column 18 rotates, the first stirring frame 19 can be driven to stir and mix the raw materials in the main barrel 2. When the first shaft column 18 rotates, the rotating cover 13 is driven to rotate, so as to avoid the raw materials entering the fixed sleeve 12 and affecting the meshing movement when being lowered. The rotating cover 13 is set to be small at the top and large at the bottom, so as to avoid blocking the lowering of the raw materials. When the active bevel gear 15 rotates, it will mesh with the driven bevel gear 16, thereby driving the material distribution dragon 11 in four directions to rotate. The rotation of the material distribution dragon 11 will cause the lowered raw materials to be transmitted and distributed in four different directions. The material is distributed in four directions using a driving motor 10, which effectively saves the equipment procurement cost, and the distribution is basically synchronous, reducing the errors in multiple directions of the distribution. The first bevel gear 21 is driven to rotate by the rotation of the distribution dragon 11, and the rotation of the first bevel gear 21 will drive the second bevel gear 22 to rotate, thereby driving the second shaft column 23 and the second stirring frame 24 inside the distribution barrel 6 to rotate, so that the materials distributed inside the distribution barrel 6 can be stirred and mixed, and the material piling at the connection port between the material guide pipe 4 and the side wall of the main barrel 2 can be avoided. At the same time, the entire equipment can be driven by a driving motor 10, and the flow data is transmitted to the PLC controller in the control platform 5 through the flow monitor 8 to control the rotation speed of the driving motor 10, thereby changing the distribution rate.

[0034] It should be noted that the specific model specifications of the PLC controller, flow monitor 8 and drive motor 10 in the control platform 5 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic material distribution device for a nitriding furnace, characterized in that: include A hard floor (1), wherein a plurality of pits are arranged at the bottom of the hard floor (1), a plurality of material distribution barrels (6) and a driving motor (10) are arranged in the pits, and one of the material distribution barrels (6) is arranged at each of the four positions of the driving motor (10); A main material barrel (2), the main material barrel (2) being arranged on the upper part of the hard ground (1), an upper stirring assembly (3) being rotatably installed inside the main material barrel (2), the bottom of the upper stirring assembly (3) being fixedly connected to the top of the output shaft of the driving motor (10), four mutually interconnected material guide pipes (4) being fixedly connected to the bottom of the main material barrel (2), a material distribution dragon (11) being rotatably installed inside each of the material guide pipes (4), the material distribution dragon (11) being arranged in cooperation with the driving motor (10), and the end of the material guide pipe (4) being connected to the inside of the material distribution barrel (6); A lower stirring assembly (7), wherein the lower stirring assembly (7) is rotatably mounted in the material distribution barrel (6), and the upper portion of the lower stirring assembly (7) is arranged in cooperation with the end of the material distribution dragon (11).

2. The automatic material distribution device for a nitriding furnace according to claim 1, characterized in that: A support column (9) is fixedly connected to the upper part of the hard floor (1), and the support column (9) is arranged in cooperation with the outer end of the cloth dragon (11).

3. The automatic material distribution device for a nitriding furnace according to claim 2, characterized in that: The bottom of the main material barrel (2) is connected to a fixed sleeve (12), the bottom of the fixed sleeve (12) is connected to four material guide pipes (4), and the ends of the material guide pipes (4) are fixedly mounted with rotating shaft sleeves (25).

4. The automatic material distribution device for a nitriding furnace according to claim 3, characterized in that: A driving bevel gear (15) is fixedly connected to the top of the output shaft of the driving motor (10).

5. The automatic material distribution device for a nitriding furnace according to claim 4, characterized in that: The upper stirring assembly (3) comprises a fixed sleeve (12), a rotating sleeve cover (13), a first shaft column (18) and a first stirring frame (19); the bottom of the fixed sleeve (12) is fixedly connected to the central ends of the four material guide pipes (4); the side wall of the fixed sleeve (12) is provided with four rotating holes (14) in an annular shape at equal intervals; the fixed sleeve (12) is sleeved on the outside of the active bevel gear (15); the rotating sleeve cover (13) is arranged on the upper part of the fixed sleeve (12); the rotating sleeve cover (18) is provided on the upper part of the fixed sleeve (12); and the rotating sleeve cover (19) is provided on the upper part of the fixed sleeve (12). The bottom of the first shaft column (13) is fixedly connected to a stable bottom support (17), and the stable bottom support (17) is rotatably installed in the top of the fixed sleeve (12). The top of the fixed sleeve (12) is provided with a rounded structure. The bottom of the first shaft column (18) is fixedly connected to the top of the rotating sleeve cover (13). Three first stirring frames (19) are provided. The three first stirring frames (19) are respectively located around the outer wall of the first shaft column (18). The first stirring frames (19) are rotatably arranged in the main barrel (2).

6. The automatic material distribution device for a nitriding furnace according to claim 5, characterized in that: The bottom end of the first shaft column (18) is fixedly connected to the top end of the active bevel gear (15).

7. The automatic material distribution device for a nitriding furnace according to claim 6, characterized in that: One end of the material distribution dragon (11) is fixedly connected to a driven bevel gear (16), the driven bevel gear (16) is rotatably arranged in the fixed sleeve (12), the driven bevel gear (16) is meshingly connected with the driving bevel gear (15), the other end of the material distribution dragon (11) is rotatably installed in the rotating shaft sleeve (25), the other end of the material distribution dragon (11) is fixedly connected to an auxiliary shaft (20), the upper part of the auxiliary shaft (20) is fixedly connected to a first bevel gear (21), and the extended end of the auxiliary shaft (20) is rotatably installed in the support column (9).

8. The automatic material distribution device for a nitriding furnace according to claim 7, characterized in that: The lower stirring assembly (7) comprises a second shaft column (23) and a second stirring frame (24); the second shaft column (23) is rotatably installed in the material distribution barrel (6); the top end of the second shaft column (23) is fixedly connected with a second bevel gear (22); the second bevel gear (22) is meshingly connected with the first bevel gear (21); three second stirring frames (24) are provided, and the three second stirring frames (24) are respectively located around the outer wall of the second shaft column (23); the second stirring frames (24) are rotatably arranged in the material distribution barrel (6).

9. The automatic material distribution device for a nitriding furnace according to claim 1, characterized in that: A flow monitor (8) is provided at a connection port at the end of the material guide pipe (4) and a connection port on the side wall of the main material barrel (2) that are in communication with each other.

10. An automatic material distribution control system for a nitriding furnace, comprising the automatic material distribution device for a nitriding furnace according to any one of claims 1 to 9, characterized in that: A control platform (5) is fixedly arranged on the upper part of the hard ground (1), a PLC controller is arranged inside the control platform (5), a screen and control buttons are arranged on the control platform (5), and the PLC controller is electrically connected to the flow monitor (8) and the drive motor (10) respectively.

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