CN219368382U - Bidirectional moving rotary compaction furnace door of pre-vacuumizing nitriding furnace - Google Patents

Abstract

The utility model discloses a bidirectional moving rotary compaction furnace door of a pre-vacuumizing nitriding furnace, which comprises a frame, a moving plate, a back plate, a fixed shaft and a door plate, wherein a rotating mechanism is arranged between the fixed shaft and the fixed plate, the moving plate, a gear and a chain drive the door plate to move horizontally in two directions, the rotating mechanism rotates the furnace door, and a hydraulic cylinder compacts the furnace door. The utility model can move in parallel in two directions, occupies small space, has simple structure, realizes automatic rotary compaction of the furnace door, ensures the tightness and stability of the pre-vacuumized nitriding furnace, and can effectively reduce the labor intensity of operators.

Description

Bidirectional moving rotary compaction furnace door of pre-vacuumizing nitriding furnace

Technical Field

The utility model relates to the technical field of nitriding furnace equipment, in particular to a bidirectional moving rotary compaction furnace door of a pre-vacuumizing nitriding furnace.

Background

The existing furnace door of the pre-vacuumizing nitriding furnace is installed in a cantilever type and laterally opened mode, so that the occupied space is large, the existing furnace door of the pre-vacuumizing nitriding furnace is opened and closed in a manual mode, automatic compaction cannot be achieved, and tightness of the nitriding furnace cannot be guaranteed. Therefore, a bidirectional moving rotary compaction furnace door is particularly needed, and the automatic rotary compaction of the nitriding furnace door is realized on the premise of ensuring the tightness of the nitriding furnace.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a two-way removal rotation of pre-evacuation nitriding furnace compresses tightly furnace gate, includes frame, movable plate, backplate, fixed plate, fixed axle and door plant, the frame sets up in the both sides of furnace body import, and frame top both ends are equipped with the gear respectively, and wherein one side gear connection has the motor, is equipped with the chain between the gear, and the movable plate passes through the fixture block to be fixed in the chain bottom, and the backplate passes through dead lever fixed connection in one side of movable plate, and one side that backplate and movable plate are close is fixed with the pneumatic cylinder, and the piston portion and the fixed plate fixed connection of pneumatic cylinder, the door plant is fixed with the fixed axle in the center of one side that the fixed plate is relative, is equipped with rotary mechanism between fixed axle and the fixed plate, and the door plant is equipped with the spacer pin with one side that the movable plate is relative, and the spacer pin can slide in the spacing inslot of furnace body import department, is equipped with the through-hole of accessible door plant on the movable plate.

Preferably, the rotating mechanism comprises an electric push rod, a left connecting rod and a right connecting rod which are symmetrically fixed on two sides of the fixed shaft, the left connecting rod is connected with a telescopic rod through a movable head, the other end of the telescopic rod is fixedly connected with a connector, the connector is rotationally connected with the fixed plate through a rotating shaft, the right connecting rod is connected with a straight rod through the movable head, the other end of the straight rod is connected with a movable part of the electric push rod through the movable head, and the other end of the electric push rod is fixed on the fixed plate.

Preferably, the bottom of the movable plate is provided with a roller, and the frame is provided with a sliding rail matched with the roller.

Preferably, the limiting pin is provided with an elastic ball.

Preferably, an elastic sealing layer is arranged on the periphery of the door plate.

Preferably, a protective cover is arranged outside the backboard, and the periphery of the protective cover is fixed on the movable plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the door plate can be driven to move horizontally in two directions by arranging the frame, the moving plate, the gear and the chain, the problem of occupying space due to lateral opening is avoided, and the bidirectional movement of the furnace door provides convenience for the loading of workpieces and the cleaning of the hearth.

2. According to the automatic rotary compression device, the rotary mechanism rotates the furnace door, and the hydraulic cylinder compresses the furnace door, so that automatic rotary compression of the nitriding furnace door is realized, the structure is simple, the tightness and stability of the nitriding furnace are ensured, and the labor intensity of operators can be effectively reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the installation of the present utility model;

FIG. 3 is a side view of a portion of the structure of the present utility model;

FIG. 4 is a schematic rear view of the present utility model;

FIG. 5 is a schematic view of a portion of the structure of the present utility model;

FIG. 6 is a schematic view of a rotary mechanism according to the present utility model;

FIG. 7 is a schematic elevational cross-sectional view of the spacing pin of the present utility model;

FIG. 8 is a schematic view of the installation of the protective cover of the present utility model.

In the figure: the device comprises a frame 1, a moving plate 2, a back plate 3, a fixed plate 4, a fixed shaft 5, a door plate 6, a gear 7, a motor 8, a chain 9, a clamping block 10, a fixed rod 11, a hydraulic cylinder 12, a limiting pin 13, a rotating mechanism 14, an electric push rod 141, a left connecting rod 142, a right connecting rod 143, a movable head 144, a telescopic rod 145, a joint 146, a straight rod 147, a through hole 15, a roller 16, a sliding rail 17, an elastic ball 18, a furnace body 19, an elastic sealing layer 20 and a protective cover 21.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be either fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The specific embodiment of the utility model is as follows: referring to fig. 1, 2 and 4, a bidirectional movement rotary compaction furnace door of a pre-vacuumizing nitriding furnace comprises a frame 1, a moving plate 2, a back plate 3, a fixed plate 4, a fixed shaft 5 and a door plate 6, wherein the frame 1 is arranged on two sides of an inlet of a furnace body, gears 7 are respectively arranged at two ends of the top of the frame 1, one side of the gears 7 is connected with a motor 8, a chain 9 is arranged between the gears 7, the moving plate 2 is fixed at the bottom of the chain 9 through a clamping block 10, and the motor 8 provides power for the moving plate 2 to drive the door plate 6 to move horizontally in two directions. The bottom of the movable plate 2 can be provided with the roller 16, the frame 1 is provided with the slide rail 17 which is matched with the roller 16, the movable plate 2 is supported, and the stability of the movable plate 2 during movement is effectively ensured.

Referring to fig. 3, 5 and 6, the back plate 3 is fixedly connected to one side of the moving plate 2 through a fixing rod 11, a hydraulic cylinder 12 is fixed to one side of the back plate 3 close to the moving plate 2, and a piston portion of the hydraulic cylinder 12 is fixedly connected to the fixing plate 4. A fixed shaft 5 is fixed at the center of the side of the door plate 6 opposite to the fixed plate 4, and a rotating mechanism 14 is arranged between the fixed shaft 5 and the fixed plate 4. The rotating mechanism 14 comprises an electric push rod 141, a left connecting rod 142 and a right connecting rod 143 which are symmetrically fixed on two sides of a fixed shaft, wherein the left connecting rod 142 is connected with a telescopic rod 145 through a movable head 144, the other end of the telescopic rod 145 is fixedly connected with a joint 146, the joint 146 is connected with the fixed plate 4 through a rotating shaft, the right connecting rod 143 is connected with a straight rod 147 through the movable head 144, the other end of the straight rod 147 is connected with a movable part of the electric push rod 141 through the movable head 144, and the other end of the electric push rod 141 is fixed on the fixed plate 4. The electric push rod 141 pushes the straight rod 147 and the right connecting rod 143 to drive the fixed shaft 5 to rotate, thereby driving the door panel 6 to rotate. The telescopic rod 145 and the left link 142 serve to assist in pushing the fixed shaft 5 to rotate. The movable plate 2 is provided with a through hole 15 through which the door plate 6 can pass, and the hydraulic cylinder 12 pushes the fixed plate 4 and the rotating mechanism 14, so that the fixed shaft 5 is pushed to enable the door plate 6 to pass through the through hole 15 and then be pressed on the inlet of the nitriding furnace. The outer periphery of the door panel 6 is provided with an elastic sealing layer 20 to ensure the air tightness of the nitriding furnace. The door plate 6 is equipped with spacer pin 13 with the opposite side of movable plate 2, furnace body import department is equipped with the spacing groove that corresponds with spacer pin 13, and spacer pin 13 can slide in the spacing groove, and spacer pin 13 plays location and supporting role in the import department of furnace body 19 to door plate 6 closure. Referring to fig. 7, the elastic balls 18 are arranged on the limiting pins 13, so that the limiting pins 13 can be firmly clamped in the limiting grooves, and the tightness of the nitriding furnace is better protected. Referring to fig. 8, a protective cover 21 may be further provided between the outside of the back plate 3 and the moving plate 2 to protect the safe operation of the internal devices.

When the device is used, the starting motor 8 drives the gear 7 and the chain 9 to operate, the moving plate 2 and the device connected to the moving plate 2 are moved to the inlet of the nitriding furnace, the hydraulic cylinder 12 is started, the hydraulic cylinder 12 pushes the fixed plate 4, the door plate 6 is driven to pass through the through hole 15, the door plate 6 is tightly covered at the inlet of the nitriding furnace, the rotating mechanism 14 rotates the fixed shaft 5 and drives the limiting pin 13 on the door plate 6 to rotate in the limiting groove, and the door plate 6 is further tightly closed. The utility model realizes the bidirectional parallel movement and automatic rotary compaction of the pre-vacuumizing nitriding furnace door, has small occupied space and simple structure, ensures the air tightness and stability of the nitriding furnace, and can reduce the labor intensity of operators.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but any modifications, substitutions and variations made by those skilled in the art without departing from the principle and spirit of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides a two-way removal rotation of forevacuum nitriding furnace compresses tightly furnace gate which characterized in that: including frame (1), movable plate (2), backplate (3), fixed plate (4), fixed axle (5) and door plant (6), frame (1) sets up in the both sides of furnace body import, frame (1) top both ends are equipped with gear (7) respectively, wherein one side gear (7) are connected with motor (8), be equipped with chain (9) between gear (7), movable plate (2) are fixed in chain (9) bottom through fixture block (10), backplate (3) are fixed with pneumatic cylinder (12) through dead lever (11) fixed connection in one side of movable plate (2) in backplate (3), the piston portion and the fixed plate (4) fixed connection of backplate (3) and movable plate (2), one side center that door plant (6) are relative with fixed plate (4) is fixed with fixed axle (5), be equipped with rotary mechanism (14) between fixed axle (5) and the fixed plate (4), one side that door plant (6) are relative with movable plate (2) is equipped with spacing pin (13), spacing pin (13) can slide in the spacing groove of furnace body import department, be equipped with through-hole (15) on movable plate (2).

2. The bi-directional moving rotary compacting oven door of a pre-evacuated nitriding oven according to claim 1, wherein: the rotating mechanism (14) comprises an electric push rod (141), a left connecting rod (142) and a right connecting rod (143) which are symmetrically fixed on two sides of a fixed shaft, wherein the left connecting rod (142) is connected with a telescopic rod (145) through a movable head (144), the other end of the telescopic rod (145) is fixedly connected with a joint (146), the joint (146) is rotationally connected with a fixed plate (4) through a rotating shaft, the right connecting rod (143) is connected with a straight rod (147) through the movable head (144), the other end of the straight rod (147) is connected with a movable part of the electric push rod (141) through the movable head (144), and the other end of the electric push rod (141) is fixed on the fixed plate (4).

3. The bi-directional moving rotary compacting oven door of a pre-evacuated nitriding oven according to claim 1, wherein: the bottom of the movable plate (2) is provided with a roller (16), and the frame (1) is provided with a sliding rail (17) matched with the roller (16).

4. The bi-directional moving rotary compacting oven door of a pre-evacuated nitriding oven according to claim 1, wherein: and the limiting pin (13) is provided with an elastic ball (18).

5. The bi-directional moving rotary compacting oven door of a pre-evacuated nitriding oven according to claim 1, wherein: the periphery of the door plate (6) is provided with an elastic sealing layer (20).

6. The bi-directional moving rotary compacting oven door of a pre-evacuated nitriding oven according to claim 1, wherein: the outside of the backboard (3) is provided with a protective cover (21), and the periphery of the protective cover (21) is fixed on the movable plate (2).