CN219174581U

CN219174581U - Sheet clamp for tube furnace

Info

Publication number: CN219174581U
Application number: CN202320081834.4U
Authority: CN
Inventors: 付建超; 朱岩; 赵东鹏; 白书争
Original assignee: SF Diamond Co Ltd
Current assignee: SF Diamond Co Ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-13
Anticipated expiration: 2033-01-12

Abstract

The utility model belongs to the field of clamps for heat treatment, and particularly relates to a sheet clamp for a tube furnace. The sheet clamp for the tube furnace comprises a bottom plate and comb plates which are oppositely arranged on two sides of the bottom plate, wherein spaced comb teeth are arranged on the comb plates, and a limiting groove is formed between any two adjacent comb teeth. According to the utility model, the comb plates are directly arranged on the two sides of the bottom plate, and the comb teeth on the comb plates are utilized to form the limit grooves, so that the sheet products can be vertically placed in the tube furnace at intervals, the overall structure of the clamp is greatly simplified, the overall structure is simple and compact, the occupied space is further saved, and the space utilization rate of the clamp is improved.

Description

Sheet clamp for tube furnace

Technical Field

The utility model belongs to the field of clamps for heat treatment, and particularly relates to a sheet clamp for a tube furnace.

Background

At present, a tubular furnace for providing a high temperature or special gas environment for a product to be treated in heat treatment generally has a cylindrical hearth, and when the hearth is used for heat treatment of some sheet products, especially round sheets, the sheet products are often placed in the hearth in an inclined and staggered stacking mode for treatment, so that the sheet products cannot be kept upright in the hearth, the quantity of products which can be placed in the hearth during single heat treatment is small, the effective contact area between the sheet products and reaction gas in the hearth is limited, and the product performance is low.

Japanese patent publication No. JP05001223U, publication No. 1-8 of 1993 discloses a wafer heat treatment jig for a tubular horizontal furnace, which has a comb-like structure for erecting sheet products in order and a leg/bracket structure for improving support of the sheet products and the jig body, and which can be placed upright and at an interval to perform heat treatment with the inside of the furnace.

But the clamp consists of a plurality of pairs of supporting legs and two groups of comb-tooth-shaped structures which are arranged at intervals, so that the whole structure is complex; the bottom bracket occupies smaller volume than the upper comb-tooth-shaped structure and has smaller attaching area with the inner wall of the hearth, so that the whole weight is reduced, the air circulation efficiency is improved, the stability of a part of support is sacrificed, and particularly when a product is clamped, the clamp and the product are easy to weigh and weigh; and from the end face of the hearth, the clamp integrally occupies a larger part of space in the hearth, so that the product specification clamped by the clamp in the limited hearth space is limited, and the utilization rate of the whole hearth space is low.

Disclosure of Invention

The utility model aims to provide a sheet clamp for a tube furnace, which solves the technical problems of complex structure, unstable support and lower space utilization rate of the clamp in the prior art.

In order to achieve the above purpose, the technical scheme of the sheet clamp for the tube furnace provided by the utility model is as follows:

the utility model provides a sheet fixture for tubular furnace, includes the comb plate, the interval is equipped with the broach on the comb plate, forms the spacing groove between arbitrary adjacent two broach, sheet fixture for tubular furnace still includes the bottom plate, the comb plate sets up in the bottom plate both sides relatively to upwards extend by the corresponding border of bottom plate both sides and form.

The beneficial effects are that: the utility model is improved in that comb plates are directly arranged on two sides of the bottom plate, and limit grooves are formed on the comb plates, so that sheet products can be vertically placed in the tube furnace at intervals, the whole structure of the clamp is greatly simplified, the whole structure is simple and compact, the occupied space is further saved, and the space utilization rate of the clamp is improved. And the bottom plate is directly contacted with the hearth, so that the stability of the clamp support can be further improved.

As a further improvement, the sheet clamp for the tube furnace is of an integrally formed structure.

The beneficial effects are that: the integral forming structure is simple and compact, and the structure of the clamp can be further simplified.

As a further improvement, the bottom plate is an arc-shaped bottom plate which is attached to the inner wall of the hearth of the tube furnace.

The beneficial effects are that: the arc-shaped bottom plate is favorable for realizing large-area lamination with the hearth by the sheet clamp for the tube furnace, and the clamp can be stably placed in the hearth.

As a further improvement, the chord length of the arc-shaped bottom plate is not smaller than the length of the furnace chamber radius of the tubular furnace to which the arc-shaped bottom plate is adapted.

The beneficial effects are that: the chord length of the bottom plate is not smaller than the radius of the hearth, so that the stable placement of the clamp is ensured, the utilization rate of the clamp to the hearth space can be further improved, and larger sheet products can be clamped as much as possible for heat treatment.

As a further improvement, the comb plate is disposed vertically with respect to the base plate.

The beneficial effects are that: the comb plates are vertically arranged, so that the stability of clamping of products is further improved, and the clamp is convenient to adapt to clamps of different specifications.

As a further improvement, a space is left between the comb root of the comb plate and the bottom plate.

The beneficial effects are that: the space is reserved between the root parts of the comb teeth and the bottom plate, so that a gap still exists between the lower edge of the sheet product and the bottom plate when the sheet product is placed on the clamp, and the circulation effect of reaction gas in the hearth is improved.

As a further improvement, the width of the limit groove is adapted to the thickness of the corresponding sheet to be clamped.

The beneficial effects are that: make spacing groove width and flake thickness adaptation, be convenient for guarantee that the flake is comparatively vertical in the spacing inslot to be placed and not incline, further improve the stationarity of centre gripping, be favorable to the better with product contact reaction of reaction gas.

As a further improvement, the comb tooth thickness is not greater than the limit groove width.

The beneficial effects are that: the thickness of the comb teeth is not larger than the width of the limiting groove, the number of the products clamped at one time can be increased as much as possible on the premise of ensuring the supporting stability of the comb teeth, and further the production and processing efficiency is improved.

As a further improvement, the distance between the two comb plates is smaller than the diameter of the product to be clamped, but not smaller than the radius of the product to be clamped.

The beneficial effects are that: limiting the comb plate spacing is beneficial to keeping the effective and stable clamping effect of the two comb plates on the product, and avoiding the phenomenon that the product cannot be clamped due to overlarge or undersize.

As a further improvement, the overall length of the sheet clamp for the tube furnace is not more than half of the depth of the hearth of the tube furnace to which the sheet clamp is adapted.

The beneficial effects are that: the length of the clamp is not more than half of the depth of the hearth, so that the clamp and the product can be placed in the deep position of the hearth to perform heat treatment reaction, and the production efficiency and the product performance of the product are improved.

Drawings

FIG. 1 is a schematic view of a structure in which a sheet product is placed in a sheet holder for a tube furnace according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the sheet clamp for the tube furnace shown in FIG. 1 with the sheet product in the tube furnace;

FIG. 3 is a schematic structural view of a sheet clamp for a tube furnace;

FIG. 4 is a diagram showing the effect of a tube furnace equipped with a sheet holder for the tube furnace and a sheet product.

Reference numerals illustrate:

1. a tube furnace; 2. a sheet product; 3. sheet clamp for tube furnace; 4. carding plates; 5. a bottom plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like is not excluded from a process, method, or the like that includes the element.

In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

The present utility model is described in further detail below with reference to examples.

Specific example 1 of a sheet clamp for a tube furnace provided by the utility model:

the sheet fixture 3 for a tube furnace provided in this embodiment is formed by integrally processing a bottom plate 5 and comb plates 4 arranged opposite to two side edges of the bottom plate 5, wherein comb teeth which are arranged at equal intervals in sequence are arranged on the comb plates 4, and limit grooves for clamping sheet products 2 are formed by the comb teeth. As shown in fig. 2 and 4, the sheet products 2 are vertically placed in the tubular furnace 1 and are sequentially arranged at intervals and are not overlapped with each other, so that the number of the sheet products 2 which are put into the tubular furnace 1 at a time is increased, and the reaction efficiency of the sheet products 2 is improved. The sheet clamp 3 for the tube furnace has a simple and compact integral structure, is placed and supported by the bottom plate 5, has higher integral stability, occupies smaller space, and has higher space utilization rate.

In this embodiment, the bottom plate 5 of the sheet fixture 3 for a tube furnace is adapted to the inner diameter of the hearth of the tube furnace 1, and is an arc-shaped bottom plate 5 attached to the bottom of the hearth of the tube furnace 1, and the chord length of the corresponding chord of the arc-shaped bottom plate 5 is consistent with the radius of the hearth of the tube furnace 1, so that the bottom plate 5 can be attached to the hearth as large as possible, the sheet fixture 3 for the tube furnace can be stably placed in the hearth, and the effective utilization rate of the sheet fixture 3 for the tube furnace to the inner space of the hearth is further improved.

In this embodiment, as shown in fig. 1, in order to further improve the holding stability of the sheet clamp 3 for the tube furnace and make the distribution of the sheet products 2 more reasonable, the width of the limit slot formed by the comb teeth on the comb plate 4 is adapted to the thickness of the sheet product 2 to be held correspondingly, and the thickness of the comb teeth is not greater than the width of the limit slot, so that the sheet product 2 can be placed in a vertical state in the limit slot without obvious inclination, the number of the sheet products 2 held simultaneously can be improved, and the efficiency of processing the sheet product 2 once can be further improved.

In this embodiment, the comb plates 4 are vertically disposed relative to the bottom plate 5, and the distance between two comb plates 4 is between the radius and the diameter of the corresponding sheet product 2 to be clamped, the minimum radius is consistent with the radius of the sheet product 2, and beyond this range, the stable clamping effect of the sheet clamp 3 for the tube furnace can be affected to a certain extent, meanwhile, a space formed by a blocking section is further provided between the root of the comb teeth of the comb plates 4 and the bottom plate 5, and when the sheet product 2 is placed on the limiting groove, a gap can be reserved between the lower edge of the sheet product 2 and the bottom plate 5 through the space, so that the reaction gas can circulate from the gap, and the circulation effect of the reaction gas in the hearth is improved.

In this embodiment, the overall length of the sheet holder 3 for the tube furnace is less than half of the total depth of the hearth of the tube furnace 1, so that the sheet holder 3 for the tube furnace and the sheet product 2 can be pushed into a deep position in the hearth for heat treatment and fully react with the reaction gas, and the sheet product can be taken out by means of a hook-promoting tool.

Specific example 2 of a sheet clamp for a tube furnace provided by the utility model:

in example 1 of the sheet holder for a tube furnace of the present utility model, the sheet holder 3 for a tube furnace is of an integrally molded structure. In this embodiment, the sheet holder 3 for a tube furnace may be an assembled structure in which a bottom 5 plate and a comb plate 4 are joined or welded.

Specific example 3 of the sheet clamp for a tube furnace provided by the utility model:

in the embodiment 1 of the sheet clamp for the tube furnace, the bottom plate 5 is an arc-shaped bottom plate 5 which is attached to the inner wall of the hearth of the tube furnace 1. In this embodiment, the bottom plate 5 does not have to be curved to be attached to the furnace, but may be flat, and the gravity-operated tube furnace sheet clamp 3 may be stable at the bottom of the furnace.

Specific example 4 of a sheet clamp for a tube furnace provided by the utility model:

in example 1 of the sheet holder for a tube furnace of the present utility model, the chord length of the arc-shaped bottom plate 5 is identical to the length of the furnace radius of the tube furnace 1 to which it is adapted. In this embodiment, the arcuate floor 5 chord length may also be greater than the furnace radius, but still need to be less than the furnace diameter.

Specific example 5 of a sheet clamp for a tube furnace provided by the utility model:

in embodiment 1 of the sheet holder for a tube furnace of the present utility model, the comb plate 4 is vertically arranged with respect to the bottom plate 5. In this embodiment, the comb plates 4 may be arranged along the arc of the bottom plate 5, or the comb plates 4 may be arranged opposite to each other.

Specific example 6 of a sheet clamp for a tube furnace provided by the utility model:

in example 1 of the sheet holder for a tube furnace of the present utility model, a space is left between the comb root of the comb plate 4 and the bottom plate 5. In this embodiment, the comb plate 4 and the base plate 5 may not be spaced apart, and the sheet product 2 may be placed with its bottom edge in contact with the base plate 5.

Specific example 7 of a sheet clamp for a tube furnace provided by the utility model:

in embodiment 1 of the sheet clamp for the tube furnace of the present utility model, the width of the limit groove is adapted to the thickness of the sheet product 2 to be clamped correspondingly. In this embodiment, the width of the limiting groove is slightly larger than the thickness of the sheet product 2, so that the sheet product 2 can be easily held.

Specific example 8 of a sheet clamp for a tube furnace provided by the utility model:

in example 1 of the sheet holder for a tube furnace of the present utility model, the comb tooth thickness is not greater than the limit groove width. In this embodiment, the comb tooth thickness may be set according to specific requirements such as the weight of the sheet product 2, and the position corresponding to the holding position of the sheet product 2.

Specific example 9 of a sheet clamp for a tube furnace provided by the utility model:

in example 1 of the sheet holder for a tube furnace of the present utility model, the sheet holder 3 for a tube furnace has an overall length smaller than half of the hearth depth of the tube furnace 1 to which it is adapted. In this embodiment, the length of the sheet clamp 3 for the tube furnace can be just half the depth of the hearth or more according to the specific use requirement.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The sheet clamp for the tube furnace comprises comb plates, wherein comb teeth are arranged on the comb plates at intervals, and limiting grooves are formed between any two adjacent comb teeth.

2. The sheet holder for a tube furnace according to claim 1, wherein the sheet holder for a tube furnace is of an integrally molded structure.

3. The sheet jig for a tube furnace according to claim 2, wherein the bottom plate is an arc-shaped bottom plate fitted to an inner wall of a furnace hearth of the tube furnace.

4. A sheet holder for a tube furnace according to claim 3, wherein the chord length of the arcuate base plate is not less than the length of the tube furnace hearth radius to which it is adapted.

5. The sheet clamp for a tube furnace according to claim 1, wherein the comb plate is vertically disposed with respect to the bottom plate.

6. The sheet holder for a tube furnace according to claim 5, wherein a space is left between the comb root portions of the comb plate and the bottom plate.

7. The sheet clamp for a tube furnace according to any one of claims 1 to 6, wherein the width of the limit groove is adapted to the thickness of the sheet to be clamped.

8. The sheet holder for a tube furnace according to claim 7, wherein the comb tooth thickness is not greater than the limit groove width.

9. The sheet holder for a tube furnace according to claim 8, wherein the distance between the comb plates is smaller than the diameter of the product to be held but not smaller than the radius of the product to be held.

10. The sheet clamp for a tube furnace according to any one of claims 1 to 6, wherein the entire length of the sheet clamp for a tube furnace is not more than half of the depth of a hearth of the tube furnace to which it is adapted.