Automatic material conveying system for horizontal double-chamber vacuum furnace

Abstract

The utility model provides an automatic material conveying system for a horizontal double-chamber vacuum furnace. The automatic material conveying system comprises an upper transmission assembly, conveying rollers and a lifting mechanism used for lifting materials conveyed to a designated position. The conveying end parts of the conveying rollers are arranged on the lower bottom surfaces of materials, and the materials are conveyed through the conveying rollers; the upper transmission assembly is used for conveying power to the conveying rollers; the lifting mechanism comprises an upper slide way, a material lifting yoke plate, a material lower frame, a slide way seat, a lifting driving cylinder and a walking material fork trolley with active power; the upper slide way is parallel to the lower material frame and is hinged and assembled to form a parallel four-connecting-rod structure through the parallel ends of the two material lifting yoke plates, the slide way seat is a guide groove extending transversely, and the protruding part of the end of a hinged shaft of each material lifting yoke plate and the lower material frame is embedded into the guide groove of the slide way seat; the lifting driving air cylinder is fixed to the complete machine frame, the telescopic end of the lifting driving air cylinder is connected with the lower material frame through a vertical rod, then the lifting driving air cylinder stretches and retracts to drive the lower material frame to transversely move to drive the material lifting yoke plate to synchronously move, vertical or inclined finally, and finally longitudinal lifting and descending of the upper sliding way are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum furnaces, and in particular to an automatic material conveying system for a horizontal double-chamber vacuum furnace. Background Art

[0002] The heating and cooling of the horizontal double-chamber vacuum furnace are carried out in different working chambers. In order to ensure the normal operation of the vacuum furnace, the vacuum furnace needs to be equipped with a feeding system and a discharging system. The feeding system and the discharging system restrict the production speed to a certain extent. Summary of the invention

[0003] In response to the above-mentioned technical problems, an automatic material conveying system for a horizontal double-chamber vacuum furnace is provided.

[0004] The technical means adopted by the utility model are as follows:

[0005] An automatic material conveying system for a horizontal double-chamber vacuum furnace, comprising:

[0006] An upper transmission assembly, conveying rollers and a lifting mechanism for lifting the material conveyed to a specified location;

[0007] The conveying rollers are end conveying rollers arranged in pairs, installed on both sides of the center line of the material conveying channel. There is a gap between each pair of conveying rollers that is smaller than the width of the material, that is, the conveying end of the conveying roller is placed under the bottom surface of the material, and the material is conveyed through the conveying rollers;

[0008] The upper transmission assembly is used to transmit power to the conveying roller;

[0009] The above-mentioned lifting mechanism comprises:

[0010] Upper slideway, material lifting joint plate, material lower frame, slideway seat, lifting drive cylinder and walking material fork trolley with active power;

[0011] The upper slide is a frame structure extending to the heat treatment area, and the frames on both sides of the center line of the material conveying channel are slides that cooperate with the traveling material fork trolley, and the width of the slide part is smaller than the gap between each pair of conveying rollers, that is, the slide part of the upper slide is a frame structure that can protrude from the upper end surface of the conveying roller as the height of the upper slide increases;

[0012] The upper slide is parallel to the material lower frame, and is hingedly assembled by the parallel ends of two material lifting link plates to form a parallel four-link structure. The slide seat is a guide groove extending laterally, and the protruding part of the hinge shaft end of each material lifting link plate and the material lower frame is embedded in the guide groove of the slide seat;

[0013] The upper slide is movably assembled on the fixed structure of the conveying roller through a linear bearing assembly, and the slide seat is fixed on the bottom of the cooling chamber;

[0014] The above-mentioned lifting drive cylinder is fixed on the whole machine frame, and the telescopic end is connected to the lower frame of the material through a vertical rod, so that the lifting drive cylinder telescopes and drives the lower frame of the material to move horizontally, driving the root material lifting connecting plate to move synchronously and finally realize vertical or tilted, and finally realize the longitudinal lifting and lowering of the above-mentioned upper slide.

[0015] Furthermore,

[0016] Limiting structures controlled by proximity switches are arranged at the front and rear ends of the upper slideway.

[0017] Furthermore,

[0018] The power source of the upper transmission assembly is a motor, which drives the conveying roller through the cooperation of a chain and a sprocket, and integrates a reducer, an encoder and a frequency converter.

[0019] Furthermore,

[0020] The above-mentioned limiting structure includes: a shift fork arranged at the bottom of the traveling material fork trolley and extending downward, a rotating shaft arranged below the traveling material fork trolley, and a stopper rod for blocking the shift fork is arranged on the traveling path of the shift fork on the rotating shaft;

[0021] The stopper rod is assembled to rotate synchronously with the rotating shaft;

[0022] A synchronously rotating rotary proximity switch is installed on the rotating shaft, and the rotary proximity switch is controlled by the rotation of the rotating shaft. The structure is that the traveling material fork trolley moves the shift fork to shift the barrier rod to drive the rotating shaft to rotate and trigger the rotary proximity switch to control the material conveying power.

[0023] Furthermore,

[0024] The traveling material fork trolley is provided with a material fork which is longitudinally retractable and has active power.

[0025] In the production process of the utility model, the workpiece (material) is transported to the initial position of the workpiece by the universal material car (the conveying starting position of the conveying roller, and the walking material fork trolley is also in this position), and then the upper transmission component acts to provide power to the conveying roller, and the workpiece is transferred to the workpiece cooling position (the proximity switch + position limit block ensures that the workpiece moves accurately to this position). After the action is completed, the lifting drive cylinder extends through the vertical rod to drive the lower frame of the material to slide horizontally, thereby driving the two material lifting plates to move synchronously and finally realize the vertical change from the inclined state to the vertical state, and finally realize the longitudinal lifting of the upper slideway, and then the active movement of the walking material fork trolley realizes the delivery of the workpiece (material) to the workpiece heat treatment position, and the material fork then descends in height to place the workpiece on the furnace bed. After stabilization, the material fork begins to retreat to the initial position and waits for the next action. The workpiece discharging operation is just the opposite.

[0026] The transmission of the workpiece in the furnace is fully automated, and each workstation is equipped with a sensor that can accurately sense its position, improving the reliability, production efficiency and degree of automation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 The utility model is a schematic diagram of the structure arranged in a horizontal double-chamber vacuum furnace.

[0029] Figure 2 It is a schematic diagram of the main viewing direction of the utility model.

[0030] Figure 3 It is a schematic diagram of the overall structure of the upper transmission assembly of the utility model.

[0031] Figure 4 for Figure 3 Top view of the .

[0032] Figure 5 It is a schematic diagram of the overall structure of the lifting mechanism.

[0033] Figure 6 for Figure 5 main view.

[0034] Figure 7 It is a schematic diagram of the principle structure of the limiting structure.

[0035] In the figure:

[0036] 1. Upper transmission assembly;

[0037] 2. Conveyor roller;

[0038] 3. Lifting mechanism;

[0039] 31. Upper slideway; 32. Material lifting joint plate; 34. Slideway seat; 35. Lifting drive cylinder;

[0040] 36. Walking material fork trolley;

[0041] 361, blocking fork; 362, material fork;

[0042] 37. Proximity switch;

[0043] 38. Limiting structure;

[0044] 381. Rotating shaft; 382. Stop lever; 383. Rotating proximity switch. DETAILED DESCRIPTION

[0045] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0046] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0047] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0048] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0049] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present utility model: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0050] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0051] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0052] like Figures 1 to 7 As shown, the utility model provides an automatic material conveying system for a horizontal double-chamber vacuum furnace, comprising:

[0053] An upper transmission assembly 1, a conveying roller 2 and a lifting mechanism 3 for lifting the material conveyed to a specified position;

[0054] The conveying rollers 2 are end conveying rollers arranged in pairs, installed on both sides of the center line of the material conveying channel, and there is a gap between each pair of conveying rollers that is smaller than the width of the material, that is, the conveying end of the conveying roller 2 is placed under the bottom surface of the material, and the material is conveyed through the conveying roller 2;

[0055] The upper transmission assembly 1 is used to transmit power to the conveying roller 2;

[0056] The lifting mechanism 3 comprises:

[0057] Upper slide 31, material lifting link plate 32, material lower frame 33, slide seat 34, lifting drive cylinder 35 and walking material fork trolley 36 with active power;

[0058] The upper slide 31 is a frame structure, extending to the heat treatment area, and the frames on both sides of the center line of the material conveying channel are slides that cooperate with the traveling material fork trolley 36, and the width of the slide part is smaller than the gap between each pair of conveying rollers 2, that is, the slide part of the upper slide 31 is a frame structure that can protrude from the upper end surface of the conveying roller 2 as the height of the upper slide 31 increases;

[0059] The upper slideway 31 is parallel to the material lower frame 33, and is hingedly assembled through the parallel ends of two material lifting link plates 32 to form a parallel four-link structure. The slideway seat 34 is a guide groove extending laterally, and the protruding part of the hinge shaft end of each material lifting link plate 32 and the material lower frame 33 is embedded in the guide groove of the slideway seat 34.

[0060] The upper slideway 31 is movably assembled on the fixed structure of the conveying roller 2 through a linear bearing assembly, and the slideway seat 34 is fixed to the bottom of the cooling chamber;

[0061] The above-mentioned lifting drive cylinder 35 is fixed on the whole machine frame, and the telescopic end is connected to the material lower frame 33 through a vertical rod, so that the lifting drive cylinder 35 telescopically drives the material lower frame 33 to move horizontally, driving the two material lifting connecting plates 32 to move synchronously and finally realize vertical or tilted, and finally realize the longitudinal lifting and lowering of the above-mentioned upper slide 31.

[0062] Furthermore,

[0063] Limiting structures 38 controlled by proximity switches 37 are provided at the front and rear ends of the upper slideway 31 .

[0064] Furthermore,

[0065] The power source of the upper transmission assembly 1 is a motor, which drives the conveying roller 2 through the cooperation of a chain and a sprocket, and integrates a reducer, an encoder and a frequency converter.

[0066] Furthermore,

[0067] The above-mentioned limiting structure 38 includes: a shift fork 361 arranged at the bottom of the traveling material fork trolley 36 and extending downward, a rotating shaft 381 arranged below the traveling material fork trolley 36, and a stopper 382 for blocking the shift fork 361 is arranged on the traveling path of the shift fork 361;

[0068] The stopper rod 382 is assembled and rotated synchronously with the rotating shaft 381;

[0069] The rotating shaft 381 is equipped with a synchronously rotating rotary proximity switch 383, which is controlled by the rotation of the rotating shaft 381. The structure is that the traveling material fork trolley 36 moves the shift fork 361 to shift the blocking rod 382 to drive the rotating shaft 381 to rotate and trigger the rotary proximity switch 37 to control the material conveying power.

[0070] Furthermore,

[0071] The traveling material fork trolley 36 is provided with a material fork 362 which is longitudinally retractable and has active power.

[0072] In the production process of the utility model, the workpiece (material) is transported to the initial position of the workpiece by the universal material car (the conveying starting position of the conveying roller, and the walking material fork trolley is also in this position), and then the upper transmission component acts to provide power to the conveying roller, and the workpiece is transferred to the workpiece cooling position (the proximity switch + position limit block ensures that the workpiece moves accurately to this position). After the action is completed, the lifting drive cylinder 35 extends through the vertical rod to drive the material lower frame 33 to slide horizontally, thereby driving the two material lifting connecting plates 32 to move synchronously and finally realize the vertical state from the inclined state to the vertical state, and finally realize the longitudinal lifting of the upper slide 31, and then the active movement of the walking material fork trolley realizes the delivery of the workpiece (material) to the workpiece heat treatment position, and the material fork then descends in height to place the workpiece on the furnace bed. After stabilization, the material fork begins to retreat to the initial position and waits for the next action. The workpiece discharging operation is just the opposite.

[0073] The transmission of the workpiece in the furnace is fully automated, and each workstation is equipped with a sensor that can accurately sense its position, improving the reliability, production efficiency and degree of automation of the equipment.

[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An automatic material conveying system for a horizontal double-chamber vacuum furnace, characterized in that: include: An upper transmission assembly (1), a conveying roller (2) and a lifting mechanism (3) for lifting materials conveyed to a designated position; The conveying rollers (2) are end conveying rollers arranged in pairs and installed on both sides of the center line of the material conveying channel. There is a gap between each pair of conveying rollers that is smaller than the width of the material, that is, the conveying ends of the conveying rollers (2) are placed under the bottom surface of the material, and the material is conveyed through the conveying rollers (2); The upper transmission assembly (1) is used to transmit power to the conveying roller (2); The lifting mechanism (3) comprises: An upper slideway (31), a material lifting connecting plate (32), a material lower frame (33), a slideway seat (34), a lifting driving cylinder (35) and a traveling material fork trolley (36) with active power; The upper slideway (31) is a frame structure extending to the heat treatment zone, and the frames on both sides of the center line of the material conveying channel are slideways that cooperate with the traveling material fork trolley (36), and the width of the slideway portion is smaller than the gap between each pair of conveying rollers (2), that is, the slideway portion of the upper slideway (31) is a frame structure that can protrude from the upper end surface of the conveying roller (2) as the height of the upper slideway (31) increases; The upper slideway (31) is parallel to the material lower frame (33), and is hingedly assembled through the parallel ends of two material lifting link plates (32) to form a parallel four-link structure. The slideway seat (34) is a transversely extending guide groove, and the protruding part of the hinge shaft end of each material lifting link plate (32) and the material lower frame (33) is embedded in the guide groove of the slideway seat (34); The upper slideway (31) is movably assembled on the fixed structure of the conveying roller (2) through a linear bearing assembly, and the slideway seat (34) is fixed to the bottom of the cooling chamber; The lifting drive cylinder (35) is fixed on the whole machine frame, and the telescopic end is connected to the material lower frame (33) through a vertical rod, so that the lifting drive cylinder (35) telescopically drives the material lower frame (33) to move horizontally, driving the two material lifting connecting plates (32) to move synchronously and finally realize vertical or tilting, and finally realize the longitudinal lifting and lowering of the upper slide (31).

2. The automatic material conveying system for a horizontal double-chamber vacuum furnace according to claim 1 is characterized in that: Limiting structures (38) controlled by proximity switches (37) are provided at the front and rear ends of the upper slideway (31).

3. The automatic material conveying system for a horizontal double-chamber vacuum furnace according to claim 1 or 2, characterized in that: The power source of the upper transmission assembly (1) is a motor, which drives the conveying roller (2) through the cooperation of a chain and a sprocket, and integrates a reducer, an encoder and a frequency converter.

4. The automatic material conveying system for a horizontal double-chamber vacuum furnace according to claim 2 is characterized in that: The above-mentioned limiting structure (38) comprises: a shift fork (361) arranged at the bottom of the traveling material fork trolley (36) and extending downward, a rotating shaft (381) arranged below the traveling material fork trolley (36), and the rotating shaft (381) is located on the traveling path of the shift fork (361) and is provided with a blocking rod (382) for blocking the shift fork (361); The blocking rod (382) is assembled and rotated synchronously with the rotating shaft (381); A synchronously rotating rotary proximity switch (383) is mounted on the rotary shaft (381), and the rotary proximity switch (383) is controlled by the rotation of the rotary shaft (381).

5. The automatic material conveying system for a horizontal double-chamber vacuum furnace according to claim 4 is characterized in that: The traveling material fork trolley (36) is provided with a material fork (362) with active power and longitudinally retractable.

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