Shell opening annealing device and annealing method

Abstract

The invention discloses a shell opening annealing device and method. The shell opening annealing device comprises a fixing plate, a positioning disc, a cargo carrying disc, a rotary driving device, a feeding device, a heating device and a rotary driving device. The feeding device is used for placing a shell to be annealed on the positioning base, and the shell is located between the positioning groove and the roller. The rotation driving device is used for driving the positioning disc and the cargo carrying disc to rotate, when the shell is rotated to the heating device, the heating device heats the shell, the rotation driving device is used for driving the rollers to rotate, the shell is driven to rotate by means of friction force between the rollers and the shell, and therefore the heating uniformity of the shell is improved; therefore, the annealing quality of the shell can be improved. According to the annealing method provided by the invention, when the shell passes through the heating device, the rollers are driven by the rotary driving device to rotate, so that the shell in contact with the rollers can rotate, the heating uniformity of the shell is improved, and the annealing quality of the shell is improved.

Description

Technical Field

[0001] The invention relates to the technical field of shell annealing, and in particular to a shell mouth annealing device and an annealing method. Background Art

[0002] In the prior art, during the stamping process of the shell, in order to ensure that there are no defects such as tearing during the forming process of the shell mouth, the shell product needs to be annealed to eliminate the stress at the shell mouth.

[0003] In the traditional shell mouth annealing device, the shell has poor heating uniformity during the heating process, resulting in a high scrap rate in the later stage, thus affecting the processing of the subsequent processes of the shell.

[0004] Therefore, how to improve the annealing heat uniformity of the shell mouth to eliminate stress concentration is a problem that technical personnel in this field need to solve urgently. Summary of the invention

[0005] One object of the present invention is to provide a shell mouth annealing device that can effectively improve the annealing quality, and another object is to provide a shell mouth annealing method.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A shell mouth annealing device comprises: a fixed plate, a positioning plate, a loading plate, a rotary drive device, a feeding device, a heating device and a rotary drive device, the fixed plate is provided with a plurality of rollers distributed in a circumferential direction, the outer peripheral side of the positioning plate is provided with a plurality of positioning grooves distributed in the circumferential direction, the loading plate is located below the positioning plate and is coaxially arranged, a plurality of positioning seats distributed in the circumferential direction are provided at the edge position of the upper surface of the loading plate, the feeding device is used for placing the shell to be annealed on the positioning seat, the shell is located between the positioning groove and the roller, the rotary drive device is used for driving the positioning plate and the loading plate to rotate, the heating device is provided on the fixed plate for heating the shell, and the rotary drive device is used for driving the roller to rotate by itself, and the shell is driven to rotate by the friction between the roller and the shell.

[0008] In some embodiments, the loading device includes a baffle, a bottom plate, a discharge plate, a telescopic drive assembly and two belt conveyor assemblies arranged parallel to each other, the two groups of the belt conveyor assemblies are arranged above the bottom plate, the baffle is arranged at one end above the bottom plate, the two groups of the belt conveyor assemblies, the bottom plate and the baffle constitute a chamber for accommodating the shell to be annealed, the bottom plate is provided with a discharge hole, the telescopic drive assembly and the discharge plate are located below the bottom plate, the telescopic drive assembly is connected to the discharge plate, and the telescopic drive assembly is used to drive the discharge plate to close or open the discharge hole.

[0009] In some embodiments, the shell mouth annealing device further includes a pressing device, which is located above the loading device and is used to press the shell provided by the loading device into the positioning seat.

[0010] In some embodiments, a bearing is disposed in the positioning groove, an outer ring of the bearing is fixed in the positioning seat, and an inner ring of the bearing is used to support the housing.

[0011] In some embodiments, the shell mouth annealing device also includes a nozzle and a unloading belt assembly, wherein the nozzle is arranged below the cargo tray and is used to blow the annealed shell away from the positioning seat; the unloading belt assembly is located below the cargo tray and is used to transport the shell unloaded from the cargo tray.

[0012] In some embodiments, the upper surface of the positioning plate is coplanar with the upper surface of the fixed plate, a loading and unloading notch is provided on the fixed plate, and the nozzle and the unloading belt assembly are provided at the loading and unloading notch.

[0013] In some embodiments, the rotation driving device includes a driving motor and a transmission assembly. The driving motor is disposed on the fixed plate, and the driving motor drives the roller to rotate through the transmission assembly.

[0014] In some embodiments, the heating device includes a copper busbar, a power connector and a high-frequency heating power supply. The copper busbar is provided with an electromagnetic induction coil for performing high-frequency electromagnetic heating on the mouth of the shell. The power connector is connected to the high-frequency heating power supply, and the power connector is connected to the copper busbar.

[0015] In some embodiments, the fixing plate is provided with a plurality of mounting seats distributed along the circumferential direction, the copper busbar is connected to the mounting seats, and the mounting seats are provided with avoidance channels for the shell to pass through.

[0016] A shell mouth annealing method is applied to any of the shell mouth annealing devices described above, and the shell mouth annealing method comprises the following steps:

[0017] Step S1: placing the shell to be annealed on a positioning seat on the loading tray through a loading device;

[0018] Step S2: the rotary drive device controls the positioning plate and the cargo plate to rotate at a preset angle so that the shell is located at the heating device;

[0019] Step S3: starting the heating device to heat the shell;

[0020] Step S4: driving the roller to rotate by a rotary drive device, so that the shell rotates under the action of the friction force between the roller and the shell;

[0021] Step S5: The rotary drive device controls the positioning plate and the cargo tray to rotate to a preset angle so as to cool naturally after being separated from the heating device, and rotate to the unloading position.

[0022] Compared with the prior art, the above technical solution has the following advantages:

[0023] The present invention provides a shell mouth annealing device, comprising: a fixing plate, a positioning plate, a cargo plate, a rotary drive device, a feeding device, a heating device and a rotary drive device. The feeding device is used to place the shell to be annealed on the positioning seat, and the shell is located between the positioning groove and the roller; the rotary drive device is used to drive the positioning plate and the cargo plate to rotate, and when the shell is rotated to the heating device, the heating device can heat the shell; the rotary drive device is used to drive the roller to rotate, and when the cargo plate rotates with the shell, it will contact the rollers one by one, and the friction between the rollers and the shell drives the shell to rotate, thereby improving the uniformity of the shell heating, and thus the shell annealing quality can be improved.

[0024] The present invention provides a shell mouth annealing method. When the shell passes through a heating device, a rotary drive device drives a roller to rotate, so that the shell in contact with the roller can rotate, thereby improving the uniformity of shell heating and further improving the shell annealing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 A schematic structural diagram of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0027] Figure 2A schematic diagram of a top view of a fixed plate, a positioning plate, a loading plate and a rotating drive device of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0028] Figure 3 A schematic structural diagram of a fixing plate of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0029] Figure 4 A schematic structural diagram of a positioning plate of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0030] Figure 5 A schematic diagram of the structure of a cargo tray of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0031] Figure 6 A schematic structural diagram of a feeding device of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0032] Figure 7 A schematic diagram of the bottom structure of a feeding device of a shell mouth annealing device provided in a specific embodiment of the present invention;

[0033] Figure 8 A schematic structural diagram of a heating device of a shell mouth annealing device provided in a specific embodiment of the present invention.

[0034] The reference numerals are as follows:

[0035] 10-fixed plate, 11-roller, 12-loading and loading notches, 13-mounting column, 14-mounting hole, 15-mounting seat;

[0036] 20-positioning plate, 21-positioning slot;

[0037] 30-cargo tray, 31-positioning seat;

[0038] 40-feeding device, 41-baffle, 42-bottom plate, 421-slideway, 43-belt conveying assembly, 44-discharging plate, 45-telescopic driving assembly;

[0039] 50-heating device, 51-copper busbar, 52-power connector;

[0040] 60-rotation drive device, 61-drive motor, 62-transmission assembly;

[0041] 70-nozzle;

[0042] 80-discharging belt assembly;

[0043] 90-housing;

[0044] 100-Press-down device. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0046] Please refer to Figure 1-Figure 8 .

[0047] A shell mouth annealing device provided by an embodiment of the present invention comprises: a fixed plate 10, a positioning plate 20, a cargo plate 20, a rotary drive device, a feeding device 40, a heating device 50 and a rotary drive device 60. The fixed plate 10 is provided with a plurality of rollers 11 distributed along the circumferential direction. For example, the fixed plate 10 can be selected as a circular ring structure. The upper end of the fixed plate 10 is provided with a plurality of mounting posts 13 distributed in an array along the circumferential direction near the inner hole. The rollers 11 are sleeved on the mounting posts 13. The outer peripheral side of the positioning plate 20 is provided with a plurality of positioning grooves 21 distributed along the circumferential direction, that is, the positioning plate 20 is a structure with a toothed outer periphery. The cargo plate 20 is located below the positioning plate 20 and is coaxially arranged. The cargo plate 20 and the positioning plate 20 are located in the inner hole of the fixed plate 10. A plurality of positioning seats 21 distributed along the circumferential direction are provided at the edge position of the upper surface of the cargo plate 20. The positioning seats 21 are used to support the shell 90. The feeding device 40 is used to place the shell to be annealed. The body 90 is placed on the positioning seat 21, and the shell body 90 is located between the positioning groove 21 and the roller 11, wherein the positioning groove 21 can improve the stability of the shell body 90 placed in the positioning seat 21; the rotary drive device is used to drive the positioning plate 20 and the cargo plate 20 to rotate, and the heating device 50 is arranged on the fixed plate 10. When the shell body 90 is rotated to the heating device 50, the heating device 50 can heat the shell body 90. The rotary drive device 60 is used to drive the roller 11 to rotate. When the cargo plate 20 carries the shell body 90 and rotates, it will contact the roller 11 one by one, and rely on the friction between the roller 11 and the shell body 90 to drive the shell body 90 to rotate, thereby improving the uniformity of the heating of the shell body 90, and thus the annealing quality of the shell body 90 can be improved.

[0048] In some embodiments, Figure 6 and Figure 7As shown, the loading device 40 includes a baffle 41, a bottom plate 42, a discharge plate 44, a telescopic drive assembly 45 and two belt conveyor assemblies 43 arranged parallel to each other, the two groups of belt conveyor assemblies 43 are arranged above the bottom plate 42, the baffle 41 is arranged at one end above the bottom plate 42, the two groups of belt conveyor assemblies 43, the bottom plate 42 and the baffle 41 constitute a chamber for accommodating a shell 90 to be annealed, and a plurality of shells 90 distributed side by side can be accommodated in this chamber, wherein a discharge hole is provided on the bottom plate 42, the telescopic drive assembly 45 and the discharge plate 44 are located below the bottom plate 42, the telescopic drive assembly 45 is connected to the discharge plate 44, and the telescopic drive assembly 45 is used to drive the discharge plate 44 to close or open the discharge hole. The belt conveyor assembly 43 includes a belt drive motor 61 and a conveyor belt. When the belt drive motor 61 drives the conveyor belt to rotate, it can drive the housing 90 to move toward the baffle 41. When unloading is required, the unloading hole needs to correspond to the positioning seat 21, and then the telescopic drive assembly 45 controls the discharge plate 44 to open, and the housing 90 can fall from the discharge hole. In order to ensure the accuracy of the movement of the discharge plate 44, a slide groove 421 can be set on both sides of the bottom of the bottom plate 42, and the two sides of the discharge plate 44 are slidably connected in the slide groove 421.

[0049] In some embodiments, Figure 1 As shown, the shell mouth annealing device also includes a pressing device 100, which is located above the loading device 40. The pressing device 100 can be optionally a three-axis manipulator, and a pressure rod is provided at the end of the three-axis manipulator. The three-axis manipulator can adjust the position of the pressure rod in space. When loading is required, the discharge plate 44 of the loading device 40 is opened. At this time, the pressing device 100 can be pressed down to press the shell 90 provided by the loading device 40 into the positioning seat 21. Specifically, the shell 90 can be pressed out from the unloading hole. As the pressing device 100 continues to be pressed down, the shell 90 can be accurately pressed into the positioning seat 21.

[0050] In some embodiments, in order to facilitate the rotation of the shell 90, a bearing is provided in the positioning groove 21, the outer ring of the bearing is fixed in the positioning seat 21, and the inner ring of the bearing is used to support the shell 90, wherein the lower end of the shell 90 can be pressed against the inner ring of the bearing by a pressing device 100.

[0051] In some embodiments, Figure 1As shown, the shell mouth annealing device also includes a nozzle 70 and a discharge belt assembly 80, wherein the nozzle 70 is arranged below the cargo tray 20, and the nozzle 70 can blow the annealed shell 90 away from the positioning seat 21, wherein the nozzle 70 includes an air pipe and a jet hole arranged on the top of the air pipe, and the air pipe is connected to a high-speed airflow control valve for providing a pulse air source; the discharge belt assembly 80 is located below the cargo tray 20, and the discharge belt assembly 80 is used to transport the shell 90 unloaded from the cargo tray 20, and the discharge belt assembly 80 includes a belt and baffles 41 arranged on both sides of the belt, and the belt can transport the shell 90 fallen thereon, and the baffles 41 can prevent the shell 90 fallen on the belt from falling from the side.

[0052] In some embodiments, Figure 1 and Figure 2 As shown, the upper surface of the positioning plate 20 is coplanar with the upper surface of the fixed plate 10, and a loading and unloading notch 12 is provided on the fixed plate 10. The nozzle 70 and the unloading belt assembly 80 are arranged at the loading and unloading notch 12. When the shell 90 rotates to the position of the loading and unloading notch 12, the shell 90 will not be restricted by the roller 11. When the air nozzle blows the shell 90 away from the positioning seat 21, as the positioning plate 20 and the cargo plate 20 rotate, the shell 90 will be thrown onto the unloading belt assembly 80 under the action of centrifugal force.

[0053] In some embodiments, the rotary drive device includes a dividing cam mechanism, which is used to drive the positioning plate 20 and the cargo plate 20 to perform indexing rotation; the rotary drive device 60 includes a driving motor 61 and a transmission assembly 62, the driving motor 61 is arranged on the fixed plate 10, wherein a mounting plate protruding outward can be arranged on the outer side of the fixed plate 10, and a mounting hole 14 is provided on the mounting plate, and the driving motor 61 can be installed at the mounting hole 14, and the driving motor 61 drives the roller 11 to rotate through the transmission assembly 62, and the transmission assembly 62 can be selected as a driving rope, which is wound around multiple rollers 11, and can drive multiple rollers 11 to rotate through the driving rope. In addition, other forms of transmission assemblies 62 can also be selected, such as belts, chains or gears.

[0054] In some embodiments, Figure 8As shown, the heating device 50 includes a copper bar 51, a power connector 52 and a high-frequency heating power supply. The copper bar 51 is provided with an electromagnetic induction coil for performing high-frequency electromagnetic heating on the mouth of the shell 90. The power connector 52 is connected to the high-frequency heating power supply, and the power connector 52 is connected to the copper bar 51. In order to improve the connection stability of the copper bar 51, a plurality of mounting seats 15 distributed along the circumferential direction are provided on the fixing plate 10. The copper bar 51 is connected to the mounting seats 15. The copper bar 51 is distributed in an arc shape, and an escape channel for the shell 90 to pass through is provided on the mounting seats 15. In addition, in order to improve the level of automatic automation, a control device can also be provided. The control device is electrically connected to the rotary drive device, the pressing device 100, the rotating drive device 60, the telescopic drive assembly 45, the belt conveyor assembly 43, the heating device 50, the nozzle 70 and the unloading belt assembly 80 to control the loading, transferring, heating and unloading actions of the entire device.

[0055] The embodiment of the present invention further provides a shell mouth annealing method, which is applied to any of the shell mouth annealing devices mentioned above. The shell mouth annealing method comprises the following steps:

[0056] Step S1: The shell 90 to be annealed is placed on the positioning seat 21 on the loading tray 20 by the loading device 40. Among them, multiple shells 90 can be placed side by side between two groups of belt conveyor components 43 of the loading device 40. When loading, the shell 90 can be first conveyed to the discharge port, and then the shell 90 is pressed into the positioning seat 21 by the pressing device 100.

[0057] Step S2: The rotary drive device controls the positioning plate 20 and the cargo tray 20 to rotate at a preset angle so that the housing 90 is located at the heating device 50. At this time, the vacant positioning seat 21 on the cargo tray 20 can be loaded with materials according to step 1.

[0058] Step S3: Start the heating device 50 to heat the housing 90. The heating may be performed by energizing the electromagnetic induction coil.

[0059] Step S4: The roller 11 is driven to rotate by the rotary drive device 60, and the housing 90 is caused to rotate by the friction between the roller 11 and the housing 90. The housing 90 can be heated uniformly by the self-rotation.

[0060] Step S5: The rotary drive device controls the positioning plate 20 and the cargo tray 20 to rotate to a preset angle, so as to cool naturally after leaving the heating device 50, and rotate to the unloading position.

[0061] When the annealed shell 90 is rotated to the unloading position, high-pressure air is blown through the jet hole to blow the shell 90 away from the positioning seat 21, and then under the action of the rotational force of the positioning plate 20 and the cargo plate 20, the shell 90 can fall from the loading and unloading notch 12 onto the unloading belt assembly 80.

[0062] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0063] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0064] The above is a detailed introduction to a shell mouth annealing device and annealing method provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, the present invention can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A shell mouth annealing device, characterized in that: include: A fixed plate (10), a positioning plate (20), a cargo tray (30), a rotary drive device, a feeding device (40), a heating device (50) and a rotary drive device (60), wherein the fixed plate (10) is provided with a plurality of rollers (11) distributed along a circumferential direction, the outer peripheral side of the positioning plate (20) is provided with a plurality of positioning grooves (21) distributed along a circumferential direction, the cargo tray (30) is located below the positioning plate (20) and is coaxially arranged, a plurality of positioning seats (31) distributed along a circumferential direction are provided at the edge position of the upper surface of the cargo tray (30), and the feeding device (40) is provided with a plurality of rollers (11) distributed along a circumferential direction. 0) is used to place the shell (90) to be annealed on the positioning seat (31), the shell (90) is located between the positioning groove (21) and the roller (11), the rotary drive device is used to drive the positioning plate (20) and the loading plate (30) to rotate, the heating device (50) is arranged on the fixed plate (10) and is used to heat the shell (90), and the rotary drive device (60) is used to drive the roller (11) to rotate, and the shell (90) is driven to rotate by the friction between the roller (11) and the shell (90).

2. The shell mouth annealing device according to claim 1, characterized in that: The loading device (40) comprises a baffle plate (41), a bottom plate (42), a discharge plate (44), a telescopic drive assembly (45) and two belt conveyor assemblies (43) arranged in parallel with each other, the two groups of the belt conveyor assemblies (43) being arranged above the bottom plate (42), the baffle plate (41) being arranged at one end above the bottom plate (42), the two groups of the belt conveyor assemblies (43), the bottom plate (42) and the baffle plate (41) forming a chamber for accommodating a shell (90) to be annealed, the bottom plate (42) being provided with a discharge hole, the telescopic drive assembly (45) and the discharge plate (44) being located below the bottom plate (42), the telescopic drive assembly (45) and the discharge plate (44) being connected, and the telescopic drive assembly (45) being used to drive the discharge plate (44) to close or open the discharge hole.

3. The shell mouth annealing device according to claim 2, characterized in that: It also comprises a pressing device (100), the pressing device (100) being located above the loading device (40), the pressing device (100) being used to press the shell (90) provided by the loading device (40) into the positioning seat (31).

4. The shell mouth annealing device according to claim 3, characterized in that: A bearing is provided in the positioning groove (21), the outer ring of the bearing is fixed in the positioning seat (31), and the inner ring of the bearing is used to support the housing (90).

5. The shell mouth annealing device according to claim 1, characterized in that: It also includes a nozzle (70) and a discharge belt assembly (80); the nozzle (70) is arranged below the cargo tray (30) and is used to blow the annealed shell (90) away from the positioning seat (31); the discharge belt assembly (80) is located below the cargo tray (30) and is used to transport the shell (90) unloaded from the cargo tray (30).

6. The shell mouth annealing device according to claim 5, characterized in that: The upper surface of the positioning plate (20) is coplanar with the upper surface of the fixing plate (10); a loading and unloading notch (12) is provided on the fixing plate (10); and the nozzle (70) and the unloading belt assembly (80) are arranged at the loading and unloading notch (12).

7. The shell mouth annealing device according to claim 1, characterized in that: The rotary drive device (60) comprises a drive motor (61) and a transmission assembly (62); the drive motor (61) is disposed on the fixed plate (10); and the drive motor (61) drives the roller (11) to rotate via the transmission assembly (62).

8. The shell mouth annealing device according to claim 1, characterized in that: The heating device (50) comprises a copper busbar (51), a power connector (52) and a high-frequency heating power supply; the copper busbar (51) is provided with an electromagnetic induction coil for performing high-frequency electromagnetic heating on the mouth of the shell (90); the power connector (52) is connected to the high-frequency heating power supply; and the power connector (52) is connected to the copper busbar (51).

9. The shell mouth annealing device according to claim 8, characterized in that: The fixing plate (10) is provided with a plurality of mounting seats distributed along the circumferential direction, the copper busbar (51) is connected to the mounting seats, and the mounting seats are provided with avoidance passages for the shell (90) to pass through.

10. A shell mouth annealing method, characterized in that: Applicable to the shell mouth annealing device according to any one of claims 1 to 9, the shell mouth annealing method comprises the following steps: Step S1: placing the shell (90) to be annealed on a positioning seat (31) on a loading tray (30) by means of a loading device (40); Step S2: the rotary drive device controls the positioning plate (20) and the cargo plate (30) to rotate at a preset angle so that the housing (90) is located at the heating device (50); Step S3: starting the heating device (50) to heat the shell (90); Step S4: driving the roller (11) to rotate by means of the rotation driving device (60), so that the housing (90) rotates under the action of the friction force between the roller (11) and the housing (90); Step S5: the rotary drive device controls the positioning plate (20) and the cargo plate (30) to rotate to a preset angle, so as to be separated from the heating device (50) and naturally cooled, and then rotate to the unloading position.

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