Rapid locking device for zinc impregnation furnace cover

Abstract

The invention belongs to the technical field of zinc impregnation equipment, and relates to a zinc impregnation furnace cover rapid locking device which comprises a zinc impregnation furnace body and a zinc impregnation furnace cover, the zinc impregnation furnace body is detachably connected with the zinc impregnation furnace cover, an operation frame is arranged on one side of the zinc impregnation furnace body, an air exhaust hole is formed in the zinc impregnation furnace body and communicated with the zinc impregnation furnace body, and a locking device is arranged on the zinc impregnation furnace body. Locking structures are arranged on the two sides of the zinc impregnation furnace cover, fixing blocks corresponding to the locking structures are arranged on the zinc impregnation furnace body, the section of each fixing block is hemispherical, each locking structure comprises a mounting plate and a locking block hinged to the mounting plate, and a locking groove allowing the corresponding fixing block to be embedded is formed in the side wall of each locking block. The inner wall of the first locking groove is oblique, and the section of the lower end face of the locking groove is arc-shaped. Compared with the prior art, the zinc impregnation furnace has the advantage that the zinc impregnation furnace body and the zinc impregnation furnace cover can be quickly assembled and disassembled.

Description

Technical Field

[0001] The invention relates to the technical field of zincizing equipment, and more specifically, to a quick locking device for a zincizing furnace cover. Background Art

[0002] Sherardizing is a chemical heat treatment process that infiltrates zinc into the surface of a workpiece. Sherardizing the surface of steel parts can significantly improve the ability to resist atmospheric corrosion and is widely used in thin plates and standard parts. The main methods of sherardizing are powder method and hot dip, and a sherardizing furnace is used in both of the above schemes.

[0003] When using the existing shearing furnace, it is necessary to open the shearing furnace cover, then place the workpiece to be processed in the shearing furnace, and finally close the shearing furnace cover. Since the shearing furnace needs to be heated during the shearing process, and the shearing furnace needs to be rotated during the heating process, the firmness of the connection between the shearing furnace body and the shearing furnace cover is required to be high. At present, several sets of screws are usually used to fix the shearing furnace body and the shearing furnace cover. During the fixing and opening process, the operator needs to climb onto the shearing furnace cover to operate, which is dangerous and cumbersome, resulting in low processing efficiency. Summary of the invention

[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a quick locking device for a zincizing furnace cover that can be quickly disassembled and assembled.

[0005] To achieve the above object, the present invention provides the following technical solutions: A quick locking device for a zincizing furnace cover comprises a zincizing furnace body and a zincizing furnace cover, wherein the zincizing furnace body and the zincizing furnace cover are detachably connected, an operating frame is arranged on one side of the zincizing furnace body, a pushing cylinder is arranged above the zincizing furnace cover, the pushing cylinder is connected to a gantry frame, an exhaust hole is arranged on the zincizing furnace body, the exhaust hole is communicated with the zincizing furnace body, a vacuum pump is connected to the exhaust hole, and the vacuum pump is arranged on the end face of the operating frame, There are locking structures on both sides of the sherardizing furnace cover, and a fixing block is provided on the sherardizing furnace body corresponding to the locking structure. The cross section of the fixing block is hemispherical. The locking structure includes a mounting plate and a locking block hinged to the mounting plate. The side wall of the locking block is provided with a locking groove for the fixing block to be embedded. The inner wall of the locking groove is beveled, and the cross section of the lower end surface of the locking groove is arc-shaped.

[0006] The present invention is further configured as follows: a cross groove is provided on the fixing block, the upper and lower ends of the cross groove penetrate the fixing block, an adjusting screw is longitudinally provided in the cross groove, a gear 1 is provided on the outer sleeve of the adjusting screw, and a thread meshing with the adjusting screw is provided on the inner wall of the gear 1. A servo motor is slidably connected to the operating frame, and a gear 2 is sleeved on the output end of the servo motor. The gear 2 is meshed with the gear 1. Both the gear 1 and the gear 2 are bevel gears. A fixing hole for the adjusting screw to extend into is provided on the inner wall of the locking groove, and a thread is provided on the inner wall of the fixing hole.

[0007] The present invention is further configured as follows: the servo motor is connected to an adjustment mechanism, the adjustment mechanism includes two groups of cross-connected screw rod assemblies, and the servo motor is placed on the upper screw rod assembly.

[0008] The present invention is further configured as follows: an extension tube is provided on the exhaust hole, an exhaust tube is connected to the output end of the vacuum pump, an interface connected to the extension tube is provided at the end of the exhaust tube, a magnetic sheet 1 is provided on the interface, a magnetic sheet 2 is provided on the end surface of the extension tube, and the magnetic sheet 1 is magnetically attracted to the magnetic sheet 2.

[0009] The present invention is further configured as follows: a valve is provided on the extension tube.

[0010] The present invention is further configured as follows: a clamping block for clamping into a body of the zincizing furnace is provided on the lower end surface of the zincizing furnace cover, and a sealing strip is provided on the side wall of the clamping block.

[0011] The present invention is further configured as follows: a control panel is provided on the operating frame, and the control panel is electrically connected to the screw assembly 1, the screw assembly 2, the servo motor and the vacuum pump.

[0012] Compared with the shortcomings of the prior art, the beneficial effects of the present invention are: By adding a locking mechanism and a fixing block, the problem of needing multiple screws to fix the zincizing furnace cover is solved. Furthermore, the zincizing furnace is evacuated into a vacuum by a vacuum pump. Under negative pressure, the zincizing furnace cover moves down until the locking structure is engaged with the fixing block. No manual operation is required. Furthermore, the adjusting screw is adjusted by rotating the servo motor to further fix the zincizing furnace body and the zincizing furnace cover. When disassembling, the adjusting screw is rotated in the opposite direction by the servo motor, and the adjusting screw extends from the bottom end of the fixing block. The lower end of the adjusting screw is squeezed against the inner wall of the locking groove to push out the locking block, thereby realizing quick installation and quick removal of the zincizing furnace body and the zincizing furnace cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 A top view of an operating frame according to an embodiment of the present invention; Figure 3 This is a diagram showing the coordination between gear 1 and gear 2 according to an embodiment of the present invention.

[0014] Zincizing furnace body 1, zincizing furnace cover 2, operating frame 3, exhaust hole 4, vacuum pump 5, fixing block 6, mounting plate 7, locking block 8, locking groove 9, cross groove 10, adjusting screw 11, gear 1 12, servo motor 13, gear 2 14, fixing hole 15, screw assembly 16, exhaust pipe 17, valve 18, control panel 19. DETAILED DESCRIPTION

[0015] 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.

[0016] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] like Figures 1 to 3 As shown, A quick locking device for a zincizing furnace cover comprises a zincizing furnace body 1 and a zincizing furnace cover 2. The zincizing furnace body is detachably connected to the zincizing furnace cover 2. A pushing cylinder is provided above the zincizing furnace cover 2. The pushing cylinder is connected to a gantry. The gantry is placed on both sides of the zincizing furnace body 1. The zincizing furnace cover 2 is pressed by the pushing cylinder to facilitate a vacuum pump 5 to evacuate the zincizing furnace body 1. An operating frame 3 is provided on one side of the zincizing furnace body 1. The operating frame 3 is used to place equipment required by an operator, and the operating frame 3 is connected to the ground.

[0018] A control panel 19 is provided on the operating frame 3, and the control panel 19 is electrically connected to the screw assembly 16 1, the screw assembly 16 2, the servo motor 13 and the vacuum pump 5, and the working status of the screw assembly 16 1, the screw assembly 16 2, the servo motor 13 and the vacuum pump 5 is controlled by the control panel 19.

[0019] The lower end surface of the sherardizing furnace cover 2 is provided with a clamping block for clamping into the sherardizing furnace body 1, and the side wall of the clamping block is provided with a sealing strip for sealing the sherardizing furnace body 1 to facilitate the operation of the vacuum pump 5.

[0020] The zincizing furnace body 1 is provided with an exhaust hole 4, which is communicated with the zincizing furnace body 1, and is connected to a vacuum pump 5, which is placed on the end surface of the operating frame 3, and exhausts air in the zincizing furnace through the exhaust hole 4.

[0021] An extension tube is provided on the exhaust hole 4, and a valve 18 is provided on the extension tube. The output end of the vacuum pump 5 is connected to the exhaust pipe 17. The exhaust pipe 17 is provided with an interface connected to the extension tube at the end of the exhaust pipe 17. A magnetic sheet 1 is provided on the interface, and a magnetic sheet 2 is provided on the end face of the extension tube. The magnetic sheet 1 is magnetically attracted to the magnetic sheet 2, and the extension tube and the exhaust pipe 17 are fixed by magnetic attraction, which is convenient for the vacuum pump 5 to exhaust. After the exhaust is completed, the valve 18 is manually closed and the zincizing furnace is sealed.

[0022] Locking structures are provided on both sides of the sherardizing furnace cover 2, and a fixing block 6 is provided on the sherardizing furnace body 1 corresponding to the locking structure. The locking structure includes a mounting plate 7 and a locking block 8 hinged to the mounting plate 7. A locking groove 9 is provided on the side wall of the locking block 8 for the fixing block 6 to be embedded. The inner wall of the locking groove 9 is beveled, and the cross-section of the lower end face of the locking groove 9 is arc-shaped, which is convenient for resisting the locking groove 9 to push the locking block 8 out.

[0023] The cross section of the fixing block 6 is hemispherical, which facilitates the locking block 8 to slide on the edge of the fixing block 6 and change the rotation angle of the locking block 8 at the hinge joint.

[0024] A cross groove 10 is provided on the fixing block 6, and the upper and lower ends of the cross groove 10 pass through the fixing block 6. An adjusting screw 11 is provided in the cross groove 10 in the longitudinal direction. A gear 12 is provided on the outer sleeve of the adjusting screw 11. A thread meshing with the adjusting screw 11 is provided on the inner wall of the gear 12. A fixing hole 15 for the adjusting screw 11 to extend into is provided on the inner wall of the locking groove 9. A thread is provided on the inner wall of the fixing hole 15. By threading one end of the adjusting screw 11 with the fixing hole 15, the other end of the adjusting screw 11 is placed in the fixing block 6, and the locking block 8 is further locked by the adjusting screw 11.

[0025] A servo motor 13 is slidably connected to the operating frame 3, and a gear 2 14 is sleeved on the output end of the servo motor 13. The gear 2 14 is meshed with the gear 1 12. Both the gear 12 and the gear 2 14 are bevel gears. The servo motor 13 is connected to an adjustment mechanism, and the adjustment mechanism includes two groups of cross-connected screw rod assemblies 16. One screw rod assembly 16 is arranged horizontally, and the other screw rod assembly 16 is arranged longitudinally. The servo motor 13 is placed on the upper screw rod assembly 16. The servo motor 13 rotates to drive the gear 12 to rotate, and then the position of the adjusting screw 11 can be adjusted.

[0026] Working principle: When in use, place the zincizing furnace cover 2 on the zincizing furnace body 1, and then connect the interface to the extension tube, and then control the vacuum pump 5 to start through the control panel 19 to evacuate the zincizing furnace body 1. Under the negative pressure state of vacuum, there is a downward suction force on the zincizing furnace cover 2 until the zincizing furnace cover 2 seals the zincizing furnace body 1. Since the locking block 8 is hinged with the mounting plate 7, during the downward pressing process, the locking block 8 moves along the end face of the fixed block 6 until the locking groove 9 covers the fixed block 6. At this time, the servo motor 13 is moved through two sets of screw rod assemblies 16 to make the gear two 14 mesh with the gear one 12. Then the servo motor 13 is started to drive the gear one 12 to rotate, so that the adjusting screw 11 extends into the fixing hole 15, realizes the connection between the locking block 8 and the fixed block 6, and then the zincizing furnace body 1 is pushed into the heating chamber. Since the operating frame 3 is connected to the ground, the operating frame 3 will not move with the zincizing furnace body 1.

[0027] After heating is completed, the shearing furnace body 1 is pushed out of the heating chamber, and the shearing furnace body 1 is pushed to the side of the operating frame 3, and then the shearing furnace cover 2 is disassembled. During disassembly, the screw assembly 16 is driven to move until the servo motor 13 moves below the fixed block 6, so that the gear 2 14 is engaged with the gear 1 12, and then the servo motor 13 is controlled to rotate in the opposite direction to move the adjusting screw 11 downward until the adjusting screw 11 contacts the inner wall of the locking groove 9, and the adjusting screw 11 continues to move downward until the locking block 8 is separated from the fixed block 6, and the disassembly work is completed.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick locking device for a sherardizing furnace cover, comprising a sherardizing furnace body (1) and a sherardizing furnace cover (2), wherein the sherardizing furnace body and the sherardizing furnace cover (2) are detachably connected, and an operating frame (3) is provided on one side of the sherardizing furnace body (1), characterized in that: A push cylinder is provided above the zincizing furnace cover (2), and the push cylinder is connected to a gantry. The zincizing furnace body (1) is provided with an exhaust hole (4), the exhaust hole (4) is communicated with the zincizing furnace body (1), the exhaust hole (4) is connected to a vacuum pump (5), and the vacuum pump (5) is placed on the end surface of the operating frame (3). The zincizing furnace cover (2) is provided with locking structures on both sides, and the zincizing furnace body (1) is provided with a fixing block (6) corresponding to the locking structure, and the fixing block (6) has a hemispherical cross section. The locking structure comprises a mounting plate (7) and a locking block (8) hinged to the mounting plate (7); a locking groove (9) for the fixing block (6) to be inserted into the side wall of the locking block (8); an inner wall of the locking groove (9) is beveled, and a lower end face of the locking groove (9) is arc-shaped in cross section.

2. A quick locking device for a zincizing furnace cover according to claim 1, characterized in that: The fixing block (6) is provided with a cross groove (10), the upper and lower ends of the cross groove (10) penetrate the fixing block (6), an adjusting screw (11) is longitudinally arranged in the cross groove (10), a gear 1 (12) is arranged on the outer sleeve of the adjusting screw (11), and a thread meshing with the adjusting screw (11) is arranged on the inner wall of the gear 1 (12). A servo motor (13) is slidably connected to the operating frame (3). A second gear (14) is sleeved on the output end of the servo motor (13). The second gear (14) meshes with the first gear (12). Both the first gear (12) and the second gear (14) are bevel gears. A fixing hole (15) for the adjusting screw (11) to extend into is formed on the inner wall of the locking groove (9). The inner wall of the fixing hole (15) is provided with a thread.

3. A quick locking device for a zincizing furnace cover according to claim 2, characterized in that: The servo motor (13) is connected to an adjustment mechanism, which comprises two groups of cross-connected screw rod assemblies (16), and the servo motor (13) is placed on the upper screw rod assembly (16).

4. A quick locking device for a zincizing furnace cover according to claim 3, characterized in that: The exhaust hole (4) is provided with an extension tube, the output end of the vacuum pump (5) is connected to the exhaust tube (17), the exhaust tube (17) is provided with an interface connected to the extension tube at the end of the exhaust tube (17), a magnetic sheet 1 is provided on the interface, a magnetic sheet 2 is provided on the end surface of the extension tube, and the magnetic sheet 1 is magnetically attracted to the magnetic sheet 2.

5. A quick locking device for a zincizing furnace cover according to claim 4, characterized in that: The extension tube is provided with a valve (18).

6. A quick locking device for a zincizing furnace cover according to claim 5, characterized in that: The lower end surface of the zincizing furnace cover (2) is provided with a clamping block for clamping into the zincizing furnace body (1), and the side wall of the clamping block is provided with a sealing strip.

7. A quick locking device for a zincizing furnace cover according to claim 6, characterized in that: The operating frame (3) is provided with a control panel (19), and the control panel (19) is electrically connected to the first screw assembly (16), the second screw assembly (16), the servo motor (13) and the vacuum pump (5).

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