Hydraulic furnace door locking device

Abstract

The utility model relates to a hydraulic furnace door locking device. The locking seat and the mounting seat are respectively arranged on the furnace body or the furnace door; a pressed plate is arranged on the locking seat; an upper hinge seat is arranged on one side of the mounting seat, a driven rotating arm is hinged to the tail end of the upper hinge seat, an adjusting seat is arranged at the tail end of the driven rotating arm, a pressing rod is arranged on the adjusting seat, a driving rotating arm is hinged to the middle of the upper hinge seat, a connecting rotating arm and the stroke end of a driving cylinder are hinged to the driving rotating arm, and the tail end of the connecting rotating arm is hinged to the middle of the driven rotating arm. And a lower hinge seat is arranged on the other side of the mounting seat and is hinged with the front end cover of the driving cylinder. The hydraulic furnace door locking device disclosed by the utility model has the advantages of automatic locking and long service life; the locking process is fast, and quick-wear parts do not need to be replaced.

Description

Technical Field

[0001] The utility model relates to the field of heat treatment equipment, in particular to a hydraulic furnace door locking device. Background Art

[0002] Heat treatment equipment is a device that heats and cools metal materials. Heat treatment can change the structure and properties of metal materials to achieve the required hardness, strength, wear resistance and other characteristics. Common heat treatment equipment includes quenching furnaces, tempering furnaces, carburizing furnaces, etc., which are usually equipped with precise temperature control systems to ensure that the metal materials are accurately heated and cooled, thereby achieving the desired heat treatment effect.

[0003] At present, the locking mechanism of the furnace door is: eccentric buckle type, scissor telescopic connecting rod mechanism type. However, the conventional locking mechanism still has the following shortcomings:

[0004] 1. The eccentric buckle type adopts manual clamping method, and the eccentric parts will be worn during the locking process, and even the eccentric parts will be broken or damaged;

[0005] 2. The telescopic linkage mechanism of the scissors is controlled by a motor, which has a long locking time and many vulnerable and consumable parts. Utility Model Content

[0006] In order to solve the technical problems existing in the background technology, the utility model provides a hydraulic furnace door locking device, which is automatically locked and has a long service life; the locking process is fast and there is no need to replace wearing parts.

[0007] The technical solution adopted by the utility model is:

[0008] Hydraulic furnace door locking device, including:

[0009] A locking seat and a mounting seat respectively arranged on the furnace body or the furnace door;

[0010] The locking seat is provided with a pressure plate facing the furnace body and the furnace door in the opening and closing direction;

[0011] An upper hinged seat is fixedly arranged on the plate surface on one side of the mounting seat, a passive swing arm is hingedly arranged at the end of the upper hinged seat, an adjusting seat is arranged at the end of the passive swing arm, a pressure rod is arranged on the adjusting seat, an active swing arm is hingedly arranged at the middle part of the upper hinged seat, a travel end of a connecting swing arm and a driving cylinder is hingedly arranged on the active swing arm, the end of the connecting swing arm is hinged to the middle part of the passive swing arm, a lower hinged seat is fixedly arranged on the plate surface on the other side of the mounting seat, and the lower hinged seat is hinged to the front end cover of the driving cylinder.

[0012] Furthermore, a buffer spring is connected between the locking seat and the pressure plate.

[0013] Furthermore, a through slot is provided through the mounting seat, and the through slot is used to accommodate the stroke end of the driving cylinder.

[0014] Furthermore, the passive rotary arm is arranged in a "<" shape, and the protrusion is arranged toward one side of the locking seat.

[0015] Furthermore, a screw hole is provided through the adjustment seat.

[0016] Furthermore, a lead screw threadedly connected to the screw hole is provided in the middle of the pressure rod, and a fastening nut threadedly connected to the adjustment seat is provided on the lead screw;

[0017] The upper end of the pressure rod is respectively provided with an adjusting rod and a top head, wherein the adjusting rod is used to adjust the position of the pressure rod and the adjusting seat, and the top head is in contact with the pressure plate.

[0018] Furthermore, the active rotary arm is configured in a "T" shape, wherein:

[0019] The symmetrical parts on both sides are respectively hinged to the upper hinge seat and the connecting swing arm;

[0020] The extension part is hinged to the stroke end of the driving cylinder.

[0021] Furthermore, side baffles fixedly connected to the mounting seat are provided on both sides of the driving cylinder.

[0022] The advantages of the hydraulic furnace door locking device of the utility model are:

[0023] 1. The locking action is achieved through the four-axis structure of the upper articulated seat, passive swing arm, active swing arm and connecting swing arm;

[0024] 2. Improve the locking strength through the lever structure of the active swing arm;

[0025] 3. Through the driving cylinder, automatic control is achieved to speed up the release and locking speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation of the utility model, the drawings required in the specific implementation are briefly introduced below. The drawings in the following description are implementations of the utility model.

[0027] Figure 1 It is a three-dimensional schematic diagram of the release state of the hydraulic furnace door locking device provided by the utility model example;

[0028] Figure 2 The utility model provides a three-dimensional schematic diagram of the hydraulic furnace door locking device in a plain state.

[0029] In the figure:

[0030] 10. Locking seat, 11. Pressure plate, 12. Buffer spring,

[0031] 20. Mounting seat, 21. Upper articulated seat, 22. Passive swing arm, 23. Adjusting seat, 24. Press rod, 25. Active swing arm, 26. Connecting swing arm, 27. Lower articulated seat, 28. Driving cylinder, 29. Side baffle. DETAILED DESCRIPTION

[0032] In order to more clearly and explicitly illustrate the specific implementation purpose and implementation method of the utility model, the technical solution of the utility model will be fully described below. The described embodiment is a part of the embodiment of the utility model, not all the embodiments. Without making creative work, all other embodiments based on the embodiment described in the utility model belong to the protection scope of the utility model.

[0033] The utility model hydraulic furnace door locking device is as follows Figure 1 , Figure 2 As shown, including:

[0034] A locking seat 10 and a mounting seat 20 respectively arranged on the furnace body or the furnace door;

[0035] The locking seat 10 is provided with a pressure plate 11 in the opening and closing direction facing the furnace body and the furnace door, and a buffer spring 12 is connected between the locking seat 10 and the pressure plate 11 .

[0036] A lower hinge seat 27 is fixedly provided on the plate surface of one side of the mounting seat 20, and a driving cylinder 28 is hingedly provided on the lower hinge seat 27. The front end cover of the driving cylinder 28 is hingedly connected to the lower hinge seat 27. A through groove is penetrated on the mounting seat 20, and the through groove is used to accommodate the stroke end of the driving cylinder 28. Side baffles 29 fixedly connected to the mounting seat 20 are provided on both sides of the driving cylinder 28;

[0037] An upper hinge seat 21 is fixedly arranged on the plate surface on the other side of the mounting seat 20, and a passive swing arm 22 is hingedly arranged at the end of the upper hinge seat 21. The passive swing arm 22 is arranged in a "<" shape, and the protrusion is arranged on the side of the locking seat 10. An adjustment seat 23 is arranged at the end of the passive swing arm 22, and a screw hole is penetrated on the adjustment seat 23. A pressure rod 24 is hingedly arranged on the adjustment seat 23 in the screw hole, and a screw screw threadedly connected to the screw hole is arranged in the middle of the pressure rod 24. A fastening nut abutting against the adjusting seat 23 is threadedly provided, and an adjusting rod and a top are respectively provided at the upper end of the pressure rod 24. The adjusting rod is used to adjust the position of the pressure rod 24 and the adjusting seat 23. The top is abutting against the pressure plate 11. An active swing arm 25 is hingedly provided at the middle part of the upper articulated seat 21. The active swing arm 25 is set in a "T" shape, wherein: the symmetrical parts on both sides are respectively hinged with the middle part of the upper articulated seat 21 and the connecting swing arm 26, and the extended part is hinged with the stroke end of the driving cylinder 28.

[0038] Based on the above, the embodiment of the hydraulic furnace door locking device of the utility model is inspired. Through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of ​​the utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. Hydraulic furnace door locking device, characterized by: include: A locking seat (10) and a mounting seat (20) respectively arranged on the furnace body or the furnace door; The locking seat (10) is provided with a pressure plate (11) in the opening and closing direction facing the furnace body and the furnace door; An upper hinge seat (21) is fixedly arranged on the plate surface on one side of the mounting seat (20), a passive swing arm (22) is hingedly arranged at the end of the upper hinge seat (21), an adjustment seat (23) is arranged at the end of the passive swing arm (22), a pressure rod (24) is arranged on the adjustment seat (23), an active swing arm (25) is hingedly arranged at the middle part of the upper hinge seat (21), a connecting swing arm (26) and a stroke end of a driving cylinder (28) are hingedly arranged on the active swing arm (25), the end of the connecting swing arm (26) is hingedly connected to the middle part of the passive swing arm (22), and a lower hinge seat (27) is fixedly arranged on the plate surface on the other side of the mounting seat (20), and the lower hinge seat (27) is hingedly connected to the front end cover of the driving cylinder (28).

2. The hydraulic furnace door locking device according to claim 1, characterized in that: A buffer spring (12) is connected between the locking seat (10) and the pressure plate (11).

3. The hydraulic furnace door locking device according to claim 1, characterized in that: A through slot is provided through the mounting seat (20), and the through slot is used to accommodate the stroke end of the driving cylinder (28).

4. The hydraulic furnace door locking device according to claim 1, characterized in that: The passive rotary arm (22) is arranged in a "<" shape, and the protruding portion is arranged toward one side of the locking seat (10).

5. The hydraulic furnace door locking device according to claim 1, characterized in that: The adjustment seat (23) is provided with a screw hole.

6. The hydraulic furnace door locking device according to claim 5, characterized in that: A lead screw threadedly connected to the screw hole is provided in the middle of the pressure rod (24), and a fastening nut threadedly connected to the adjustment seat (23) is provided on the lead screw; The upper end of the pressure rod (24) is respectively provided with an adjusting rod and a top head, wherein the adjusting rod is used to adjust the position of the pressure rod (24) and the adjusting seat (23), and the top head is in contact with the pressure plate (11).

7. The hydraulic furnace door locking device according to claim 1, characterized in that: The active rotary arm (25) is arranged in a "T" shape, wherein: The symmetrical parts on both sides are respectively hinged to the upper hinge seat (21) and the connecting swing arm (26); The extension part is hinged to the stroke end of the driving cylinder (28).

8. The hydraulic furnace door locking device according to claim 1, characterized in that: Side baffles (29) fixedly connected to the mounting seat (20) are provided on both sides of the driving cylinder (28).

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