阅读说明：本技术 蜂窝结构装配工装及蜂窝结构钎焊工艺 (Honeycomb structure assembling tool and honeycomb structure brazing process ) 是由 孙朋 卫凌霄 刘兆晶 王佳雨 王超 于文泽 黄科 褚凌慧 于 2021-09-06 设计创作，主要内容包括：本发明涉及蜂窝结构装配技术领域,提供一种蜂窝结构装配工装及蜂窝结构钎焊工艺,其中,蜂窝结构装配工装包括框架结构、设于框架结构上的下层组件、上层组件以及激光点焊装置,上层组件与下层组件相间隔设置,并且,上层组件与下层组件相配合使用,激光点焊装置用于点焊波纹片；下层组件包括滑动连接于框架结构的下板,上层组件包括与下板相适配的上板、设于上板上且用于吸附波纹片的吸附机构,以及与上板连接且驱动上板朝向或背向下板移动的竖直移动机构,上板与下板上均开设有用于容置波纹片的波纹槽。利用蜂窝结构装配工装来叠加波纹片以防止其散开,从而在钎焊蜂窝前的组装准备阶段,波纹片的叠加固定操作简便,且有效的避免了错齿的发生。(The invention relates to the technical field of honeycomb structure assembly, and provides a honeycomb structure assembly tool and a honeycomb structure brazing process, wherein the honeycomb structure assembly tool comprises a frame structure, a lower layer assembly, an upper layer assembly and a laser spot welding device, wherein the lower layer assembly, the upper layer assembly and the lower layer assembly are arranged on the frame structure at intervals, the upper layer assembly and the lower layer assembly are matched for use, and the laser spot welding device is used for spot welding of corrugated sheets; the lower layer assembly comprises a lower plate which is connected with the frame structure in a sliding mode, the upper layer assembly comprises an upper plate matched with the lower plate, an adsorption mechanism which is arranged on the upper plate and used for adsorbing the corrugated sheets, and a vertical moving mechanism which is connected with the upper plate and drives the upper plate to move towards or back to the lower plate, and corrugated grooves used for containing the corrugated sheets are formed in the upper plate and the lower plate. Utilize honeycomb assembly fixture to come the stack corrugated sheet in order to prevent it from scattering to at the equipment preparation stage before the honeycomb of brazing, the fixed easy and simple operation of stack of corrugated sheet, and the effectual emergence of avoiding the wrong tooth.)

1. The utility model provides a honeycomb assembly fixture for closed assembly and spot welding corrugated sheet, its characterized in that: the spot welding device comprises a frame structure, a lower layer assembly, an upper layer assembly and a laser spot welding device, wherein the lower layer assembly, the upper layer assembly and the laser spot welding device are arranged on the frame structure, the upper layer assembly and the lower layer assembly are arranged at intervals, the upper layer assembly and the lower layer assembly are matched for use, and the laser spot welding device is arranged on one side of a cylinder of the lower layer assembly and one side of a cylinder of the upper layer assembly and is used for spot welding of corrugated sheets;

the lower-layer assembly comprises a lower plate which is connected with the frame structure in a sliding mode, the upper-layer assembly comprises an upper plate matched with the lower plate, an adsorption mechanism which is arranged on the upper plate and used for adsorbing corrugated sheets, and a vertical moving mechanism which is connected with the upper plate and drives the upper plate to move towards or back to the lower plate, and corrugated grooves used for containing the corrugated sheets are formed in the upper plate and the lower plate.

2. The honeycomb structure assembling tool according to claim 1, characterized in that: the frame structure comprises a base, a stand column erected on the base and a cross beam installed on the stand column, wherein a lower plate is installed on the base in a sliding mode, a vertical moving mechanism is installed on the stand column, and a laser spot welding device is installed on the cross beam.

3. The honeycomb structure assembling tool according to claim 2, characterized in that: the laser spot welding device comprises a sliding piece connected with the cross beam in a sliding mode, a first lifting mechanism installed on the sliding piece and a spot welding main body installed at the lifting end of the first lifting mechanism, and the sliding direction of the sliding piece is consistent with that of the lower plate.

4. The honeycomb structure assembling tool according to claim 1, characterized in that: the frame structure comprises a base, a stand column and a vertical beam, wherein the stand column and the vertical beam are erected on the base, the lower plate is slidably mounted on the base, the vertical moving mechanism is mounted on the stand column, and the laser spot welding device is mounted on the vertical beam.

5. The honeycomb structure assembling tool according to claim 4, characterized in that: the laser spot welding device comprises a second lifting mechanism arranged on the vertical beam, a horizontal moving mechanism arranged at the lifting end of the second lifting mechanism, and a spot welding main body arranged at the moving end of the horizontal moving mechanism, wherein the moving direction of the horizontal moving mechanism is consistent with the sliding direction of the lower plate.

6. The honeycomb structure assembling tool according to any one of claims 2 to 5, characterized in that: the vertical moving mechanism comprises a ball screw arranged on the upright post, and the upper plate is arranged at the moving end of the ball screw;

or the vertical moving mechanism comprises two ball screws arranged in parallel and a moving block erected between moving ends of the two ball screws, each ball screw is installed on the corresponding upright post, and the upper plate is installed on the moving block.

7. The honeycomb structure assembling tool according to claim 6, characterized in that: the lower layer assembly further comprises a driving piece arranged on the base, and an output shaft of the driving piece is connected to the lower plate and drives the lower plate to slide on the base.

8. The honeycomb structure assembling tool according to claim 2, characterized in that: the base is provided with a limiting structure used for limiting the lower plate.

9. The honeycomb structure assembling tool according to claim 1, characterized in that: the laser spot welding device is detachably mounted on the frame structure, and the adsorption mechanism is detachably mounted on the upper plate.

10. A honeycomb structure brazing process is characterized in that: the honeycomb structure brazing process adopts the honeycomb structure assembling tool as set forth in any one of claims 1 to 9, and comprises the following steps:

s1, pressing the stainless steel foil or the aluminum foil into a corrugated sheet;

s2, coating brazing filler metal on the corrugated sheet;

s3, utilizing a honeycomb structure assembling tool to stack and spot-weld corrugated sheets to form a honeycomb structure;

and S4, placing the honeycomb structure assembly tool with the honeycomb structure into a brazing furnace for brazing, and taking out the honeycomb structure assembly tool after brazing.

Technical Field

The invention relates to the technical field of honeycomb structure assembly, and particularly provides a honeycomb structure assembly tool and a honeycomb structure brazing process using the same.

Background

The honeycomb plate connecting mode of the current honeycomb product mainly has an adhesive mode and a brazing mode, the honeycomb finished product produced by splicing the honeycomb plates is far superior to the adhesive mode in mechanical property, and therefore the brazing mode can effectively improve the service performance of the high-strength honeycomb product.

The production steps of the brazed honeycomb can be described simply as: making stainless steel foil or aluminum foil into corrugated sheets by special equipment; coating brazing filler metal on the corrugated sheet; the corrugated sheets are overlapped into a honeycomb shape and fixed; and (4) placing the superposed corrugated sheets into a brazing furnace for brazing to form a honeycomb.

The manufacturing of the prior brazing honeycomb has the following difficulties: the overlapping position of the corrugated sheet is difficult to determine due to the self structure, the problem of staggered teeth is easy to occur, and particularly when the side length of the corrugated sheet is smaller, the overlapping is more difficult; after the corrugated sheets are stacked and before the corrugated sheets are placed into a brazing furnace for brazing, the corrugated sheets are in a loose state, and are easy to scatter because no limiting fixing device is arranged.

Disclosure of Invention

The invention aims to provide a honeycomb structure assembling tool, and aims to solve the problems that corrugated sheets are difficult to stack, staggered teeth are easy to occur and the corrugated sheets are easy to scatter when being placed in a brazing furnace in the prior art for producing honeycombs.

In order to achieve the purpose, the invention adopts the technical scheme that:

the honeycomb structure assembling tool comprises a frame structure, a lower layer assembly, an upper layer assembly and a laser spot welding device, wherein the lower layer assembly, the upper layer assembly and the laser spot welding device are arranged on the frame structure, the upper layer assembly and the lower layer assembly are arranged at intervals, the upper layer assembly and the lower layer assembly are matched for use, and the laser spot welding device is arranged on the same side of the lower layer assembly and the upper layer assembly and is used for spot welding of corrugated sheets; the lower layer assembly comprises a lower plate which is connected with the frame structure in a sliding mode, the upper layer assembly comprises an upper plate matched with the lower plate, an adsorption mechanism which is arranged on the upper plate and used for adsorbing the corrugated sheets, and a vertical moving mechanism which is connected with the upper plate and drives the upper plate to move towards or back to the lower plate, and corrugated grooves used for containing the corrugated sheets are formed in the upper plate and the lower plate.

The invention has the beneficial effects that: according to the honeycomb structure assembling tool, the lower plate is used for placing the layer of corrugated sheets, the adsorption mechanism is used for adsorbing the layer of corrugated sheets on the upper plate, the vertical moving mechanism drives the upper plate to carry the corrugated sheets to move towards the lower plate, so that the layer of corrugated sheets adsorbed on the upper plate is superposed with the corrugated sheets placed on the lower plate, namely the vertical moving mechanism is controlled to control the upper plate to move towards or away from the lower plate, and the superposition operation of the corrugated sheets is simpler and more convenient; the through hole controls the lower plate to slide on the frame structure so that the corrugated sheet on the lower plate is aligned and superposed with the corrugated sheet on the upper plate, and the problem of staggered teeth is effectively avoided; utilize laser spot welding device with adjacent two-layer superimposed corrugated sheet weld in order to fix, prevent it from scattering to at the equipment preparation stage before the honeycomb of brazing, the fixed operation of superposition of corrugated sheet is simple and convenient, and the effectual emergence of avoiding the wrong tooth.

In one embodiment, the frame structure comprises a base, a column erected on the base, and a beam mounted on the column, the lower plate is slidably mounted on the base, the vertical moving mechanism is mounted on the column, and the laser spot welding device is mounted on the beam.

Through adopting foretell technical scheme, with hypoplastron slidable mounting on the base, vertical moving mechanism installs on the stand simultaneously to vertical moving mechanism can control the upper plate and carry out reciprocating motion along the direction of stand, realizes moving towards the hypoplastron or keeping away from the action that the hypoplastron removed, and laser spot welding device can move in order to realize carrying out spot welding fixed to the superimposed corrugated sheet between upper plate and the hypoplastron on the crossbeam.

In one embodiment, the laser spot welding device includes a slider slidably coupled to the cross beam, a first elevating mechanism mounted to the slider, and a spot welding main body mounted to an elevating end of the first elevating mechanism, a sliding direction of the slider coinciding with a sliding direction of the lower plate.

Through adopting foretell technical scheme, the spot welding main part can slide on the crossbeam through the slider, goes up and down through first elevating system's drive simultaneously to the spot welding main part stretches down to weld the ripple piece of superpose in the middle of upper plate and the hypoplastron with fixed from the crossbeam of upper plate top, prevents that it from scattering.

In one embodiment, the frame structure comprises a base, and a vertical column and a vertical beam erected on the base, the lower plate is slidably mounted on the base, the vertical moving mechanism is mounted on the vertical column, and the laser spot welding device is mounted on the vertical beam.

Through adopting foretell technical scheme, with hypoplastron slidable mounting on the base, vertical moving mechanism installs on the stand simultaneously to vertical moving mechanism can control the upper plate and carry out reciprocating motion along the direction of stand, realizes moving towards the hypoplastron or keeping away from the action that the hypoplastron removed, and laser spot welding device moves in order to realize carrying out spot welding fixed to the superimposed corrugated sheet between upper plate and the hypoplastron on erecting the roof beam.

In one embodiment, the laser spot welding apparatus includes a second elevating mechanism installed at the vertical beam, a horizontal moving mechanism installed at an elevating end of the second elevating mechanism, and a spot welding main body installed at a moving end of the horizontal moving mechanism, a moving direction of the horizontal moving mechanism being identical to a sliding direction of the lower plate.

Through adopting foretell technical scheme, the spot welding main part can go up and down along the direction of erecting the roof beam through second elevating system, carries out the ascending removal of horizontal direction through horizontal migration mechanism simultaneously to the spot welding main part welds in order to fix the superimposed corrugated sheet in the middle of in one side of upper plate and hypoplastron, prevents that it from scattering.

In one embodiment, the vertical moving mechanism comprises a ball screw mounted on the upright, and the upper plate is mounted at the moving end of the ball screw; or the vertical moving mechanism comprises two ball screws arranged in parallel and a moving block erected between the moving ends of the two ball screws, each ball screw is arranged on the corresponding upright post, and the upper plate is arranged on the moving block.

Through adopting foretell technical scheme, the upper plate can drive in order to realize going up and down through a ball, and perhaps, the upper plate can be realized installing through the ball of two synchronous operation carries on the movable block to the upper plate operation is more steady, and the action of stack ripple piece is also more steady.

In one embodiment, the lower assembly further comprises a driving member disposed on the base, and an output shaft of the driving member is connected to the lower plate and drives the lower plate to slide on the base.

Through adopting foretell technical scheme, through setting up the driving piece on the base, utilize the driving piece to control the hypoplastron slip on the base to realize that the hypoplastron drives the ripple piece and aligns the stack with the adsorbed ripple piece on the upper plate, avoid taking place the problem of wrong tooth.

In one embodiment, the base is provided with a limiting structure for limiting the lower plate.

Through adopting foretell technical scheme, come to carry on spacingly to the sliding position of hypoplastron through setting up limit structure on the base, prevent that the hypoplastron from removing excessively.

In one embodiment, the laser spot welding device is detachably mounted on the frame structure, and the suction mechanism is detachably mounted on the upper plate.

Through adopting foretell technical scheme, laser spot welding device and adsorption mechanism are detachable structure to when the honeycomb of needs brazing, can pull down these quick-wear parts of laser spot welding device and adsorption mechanism, directly put into the stove of brazing with the fixed multilayer superimposed corrugated sheet of honeycomb assembly fixture again and braze, avoid directly carrying the problem that leads to damaging or scattering to multilayer superimposed corrugated sheet.

In a second aspect, the present application further provides a honeycomb structure brazing process, where the honeycomb structure brazing process adopts the above-mentioned honeycomb structure assembly tool, and the honeycomb structure brazing process includes the following steps:

s1, pressing the stainless steel foil or the aluminum foil into a corrugated sheet;

s2, coating brazing filler metal on the corrugated sheet;

s3, utilizing a honeycomb structure assembling tool to stack and spot-weld corrugated sheets to form a honeycomb structure;

and S4, placing the honeycomb structure assembly tool with the honeycomb structure into a brazing furnace for brazing, and taking out the honeycomb structure assembly tool after brazing.

The invention has the beneficial effects that: according to the honeycomb structure brazing process provided by the invention, the honeycomb structure assembling tool is used for superposing the corrugated sheets for assembling and fixing, and the honeycomb structure assembling tool can be used for fixing multiple layers of corrugated sheets and directly putting the corrugated sheets into a brazing furnace to realize brazing after the assembling is finished, so that the dispersion of the corrugated sheets is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a honeycomb structure assembly fixture provided in an embodiment of the present invention;

fig. 2 is a schematic flow chart of a honeycomb brazing process according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. assembling a tool for the honeycomb structure; 10. a frame structure; 11. a base; 12. a column; 13. a cross beam; 20. a lower layer assembly; 21. a lower plate; 22. a drive member; 23. a limiting structure; 30. an upper layer assembly; 31. an upper plate; 32. a vertical moving mechanism; 40. a laser spot welding device; 41. a slider; 42. a first lifting mechanism; 43. the body is spot welded.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The honeycomb plate connection mode of the honeycomb product mainly comprises an adhesive mode and a brazing mode, and the mechanical property of the honeycomb product made by brazing is far superior to that of the adhesive mode. The production steps of the brazed honeycomb can be described simply as: making stainless steel foil or aluminum foil into corrugated sheets by special equipment; coating brazing filler metal on the corrugated sheet; the corrugated sheets are overlapped into a honeycomb shape and fixed; and (4) placing the superposed corrugated sheets into a brazing furnace for brazing to form a honeycomb. However, in the process of overlapping the corrugated sheets into a honeycomb shape, the overlapping position is difficult to determine due to the structure of the corrugated sheets, so that the problem of staggered teeth is easy to occur, and the overlapping is more difficult particularly when the side length of the corrugated sheets is smaller.

Referring to fig. 1, in order to solve the above technical problem, in a first aspect, the present application provides a honeycomb structure assembling tool 100 for stacking and spot-welding corrugated sheets. The honeycomb structure assembling tool 100 comprises a frame structure 10, a lower layer assembly 20, an upper layer assembly 30 and a laser spot welding device 40, wherein the lower layer assembly 20, the upper layer assembly 30 and the lower layer assembly 20 are arranged on the frame structure 10 at intervals, the upper layer assembly and the lower layer assembly 20 are matched for use, and the laser spot welding device 40 is arranged on the same side of the lower layer assembly 20 and the upper layer assembly 30 and is used for spot welding of corrugated sheets; the lower layer assembly 20 includes a lower plate 21 slidably connected to the frame structure 10, the upper layer assembly 30 includes an upper plate 31 adapted to the lower plate 21, an adsorption mechanism disposed on the upper plate 31 and used for adsorbing the corrugated sheet, and a vertical moving mechanism 32 connected to the upper plate 31 and driving the upper plate 31 to move toward or away from the lower plate 21, and the upper plate 31 and the lower plate 21 are both provided with corrugated grooves for accommodating the corrugated sheet.

When the corrugated plate is used, a layer of corrugated plates is firstly placed on the lower plate 21, and simultaneously, the upper plate 31 also adsorbs a layer of corrugated plates through the adsorption mechanism. The upper plate 31 is driven by the vertical moving mechanism 32 to carry the corrugated sheets to move towards the lower plate 21, so that the layer of the corrugated sheets adsorbed on the upper plate 31 is superposed with the layer of the corrugated sheets placed on the lower plate 21, meanwhile, the position of the lower plate 21 on the frame structure 10 is adjusted by sliding, so that the peak part of the corrugated groove on the lower plate 21 is opposite to the valley part of the corrugated groove on the upper plate 31, so that the corrugated sheets placed on the corrugated groove on the lower plate 21 are opposite to the corrugated sheets adsorbed on the corrugated groove on the upper plate 31, the peak part of one layer of the corrugated sheets is opposite to the peak part of the other layer of the corrugated sheets, so that a honeycomb structure is formed between the two adjacent layers of the corrugated sheets, and then the two layers of the corrugated sheets are welded by using the laser spot welding device 40 to realize fixation. After the first-time superposition installation of the corrugated sheets is completed, the position of the lower plate 21 relative to the upper plate 31 is adjusted, the crest part of the corrugated groove on the lower plate 21 is opposite to the crest part of the corrugated groove on the upper plate 31, so that the honeycomb structure of two layers of corrugated sheets placed on the corrugated groove on the lower plate 21 is opposite to the trough part of the corrugated sheet on the upper plate 31, and the corrugated sheets adsorbed on the corrugated groove on the upper plate 31 are adsorbed, the crest part at the top of the honeycomb structure is opposite to the trough part of the corrugated sheet on the upper plate 31, so that the honeycomb structure formed between the two layers of corrugated sheets is superposed with one layer of corrugated sheet again to form a honeycomb structure formed by three layers of corrugated sheets, and the third layer of corrugated sheet is welded by using the laser spot welding device 40 to realize fixation. And repeating the actions to continuously superpose the corrugated sheets until the corrugated sheets are superposed to the required height.

It will be appreciated that the suction mechanism described above may employ a vacuum chuck capable of sucking and retaining the corrugated sheet on the upper plate 31. The structure of the corrugated grooves formed in the upper plate 31 and the lower plate 21 should be the same as the structure of the corrugated sheets, so that the corrugated sheets can be arranged to be attached to the corrugated grooves of the upper plate 31 and the lower plate 21, and the positions can be more accurate when the corrugated sheets are stacked. The frame structure 10 is slidably connected to the lower plate 21, and the lower plate 21 can slide on the frame structure 10, specifically, the sliding of the lower plate 21 can be manually controlled, or in order to make the sliding distance of the lower plate 21 more accurate, a driving mechanism can be provided, and the sliding of the lower plate 21 can be controlled by the driving mechanism, so that more accurate movement control can be realized compared with manual operation, for example, an air cylinder, a ball screw, or the like is used as the driving mechanism.

In the present embodiment, the honeycomb structure assembling tool 100 can control the upper plate 31 to move toward or away from the lower plate 21 by controlling the vertical moving mechanism 32, so that the stacking operation of the corrugated sheets is simpler and more convenient; the through holes control the lower plate 21 to slide on the frame structure 10 so as to align and stack the corrugated sheets on the lower plate 21 and the corrugated sheets on the upper plate 31, thereby effectively avoiding the problem of staggered teeth; the two adjacent layers of superposed corrugated sheets are welded by the laser spot welding device 40 to be fixed, so that the corrugated sheets are prevented from being scattered, the superposed fixing operation of the corrugated sheets is simple and convenient in the assembling preparation stage before the honeycomb is brazed, and the staggered teeth are effectively avoided. After the honeycomb structure assembly tool 100 is used to complete the corrugated sheet overlapping and fixing operation before brazing, the honeycomb structure assembly tool 100 and the multiple layers of corrugated sheets overlapped and fixed on the honeycomb structure assembly tool 100 through the upper plate 31 and the lower plate 21 can be directly placed into a brazing furnace together for brazing, so that the problem of damage caused by directly moving the multiple layers of corrugated sheets overlapped and fixed is avoided.

Referring to fig. 1, in one embodiment, the frame structure 10 includes a base 11, a vertical column 12 erected on the base 11, and a cross beam 13 installed on the vertical column 12, the lower plate 21 is slidably installed on the base 11, the vertical moving mechanism 32 is installed on the vertical column 12, and the laser spot welding device 40 is installed on the cross beam 13. The lower plate 21 is slidably mounted on the base 11, and the vertical moving mechanism 32 is mounted on the column 12, so that the vertical moving mechanism 32 can control the upper plate 31 to reciprocate along the direction of the column 12, i.e. the approaching or departing of the upper plate 31 relative to the lower plate 21, and the action that the upper plate 31 approaches towards the lower plate 21 with a layer of corrugated sheets to stack the corrugated sheets on the upper plate 31 on the corrugated sheets placed on the lower plate 21 is realized; whereas the sliding of the lower plate 21 on the base 11 enables a horizontal movement of the lower plate 21 with respect to the upper plate 31, i.e. a movement of the lower plate 21 with respect to the direction of extension of the corrugation grooves of the upper plate 31, so as to achieve the position of the corrugation grooves of the lower plate 21 with respect to the crest structure or the trough structure of the corrugation grooves of the upper plate 31. The laser spot welding device 40 is mounted on the cross beam 13 so that the laser spot welding device 40 can extend on the cross beam 13 and toward between the upper plate 31 and the lower plate 21, and spot-weld-fix the corrugated sheets stacked between the upper plate 31 and the lower plate 21. Wherein, the vertical moving mechanism 32 may adopt a cylinder, and a piston of the cylinder is used to push the upper plate 31 to move towards or away from the lower plate 21; alternatively, the vertical moving mechanism 32 may also adopt a ball screw, a matching structure of a motor and a rack-and-pinion, or other forms, and the specific structure of the vertical moving mechanism 32 may be customized according to actual situations.

Referring to fig. 1, in one embodiment, the laser spot welding device 40 includes a sliding member 41 slidably connected to the cross beam 13, a first elevating mechanism 42 mounted on the sliding member 41, and a spot welding body 43 mounted on an elevating end of the first elevating mechanism 42, wherein a sliding direction of the sliding member 41 is identical to a sliding direction of the lower plate 21. The spot welding body 43 can be slid on the cross beam 13 by the slider 41 and lifted by the driving of the first lifting mechanism 42, so that the spot welding body 43 extends downward from the cross beam 13 above the upper plate 31 to weld and fix the corrugated sheets stacked between the upper plate 31 and the lower plate 21, thereby preventing the corrugated sheets from scattering. Specifically, the sliding member 41 may be a slider that is engaged with the cross member 13 and slides on the cross member 13. The first lifting mechanism 42 may be a lifting cylinder, a fixing seat of the lifting cylinder is installed on the slider, and a piston of the lifting cylinder is connected with the spot welding main body 43, so that the spot welding main body 43 can be controlled to move towards a position between the lower plate 21 and the upper plate 31 by the extension and contraction of the piston of the lifting cylinder. When the corrugated sheets are stacked by the upper plate 31 and the lower plate 21, the spot welding body 43 can be moved to the side between the upper plate 31 and the lower plate 21, where spot welding is performed to the stacked corrugated sheets for fixation.

In one embodiment, the frame structure 10 includes a base 11, and a vertical column 12 and a vertical beam erected on the base 11, the lower plate 21 is slidably mounted on the base 11, the vertical moving mechanism 32 is mounted on the vertical column 12, and the laser spot welding apparatus 40 is mounted on the vertical beam. The lower plate 21 is slidably mounted on the base 11, and the vertical moving mechanism 32 is mounted on the column 12, so that the vertical moving mechanism 32 can control the upper plate 31 to reciprocate along the direction of the column 12, i.e. the approaching or departing of the upper plate 31 relative to the lower plate 21, and the action that the upper plate 31 approaches towards the lower plate 21 with a layer of corrugated sheets to stack the corrugated sheets on the upper plate 31 on the corrugated sheets placed on the lower plate 21 is realized; whereas the sliding of the lower plate 21 on the base 11 enables a horizontal movement of the lower plate 21 with respect to the upper plate 31, i.e. a movement of the lower plate 21 with respect to the direction of extension of the corrugation grooves of the upper plate 31, so as to achieve the position of the corrugation grooves of the lower plate 21 with respect to the crest structure or the trough structure of the corrugation grooves of the upper plate 31. The laser spot welding device 40 is installed on the vertical beam and the vertical beam is positioned at one side of the column 12, i.e., the laser spot welding device 40 is independent of the column 12 and installed at one side of the column 12, and spot welding is performed on the corrugated sheets stacked between the upper plate 31 and the lower plate 21 at the side of the upper plate 31 and the lower plate 21.

In one embodiment, the laser spot welding apparatus 40 includes a second elevating mechanism mounted to the vertical beam, a horizontal moving mechanism mounted to an elevating end of the second elevating mechanism, and a spot welding main body 43 mounted to a moving end of the horizontal moving mechanism, a moving direction of the horizontal moving mechanism being identical to a sliding direction of the lower plate 21. The spot welding main body 43 is movable in the direction of the vertical beam by the second elevating mechanism, while being movable in the direction perpendicular to the vertical beam by the horizontal moving mechanism and in the same sliding direction as the lower plate 21. That is, the spot welding main body 43 is moved beside the lower plate 21 and the upper plate 31 by the cooperation of the second elevating mechanism and the horizontal moving mechanism, so that the spot welding main body 43 can spot-weld each layer of the overlapped corrugated sheets, and fixation is realized to prevent scattering. The second lifting mechanism can adopt an air cylinder, a ball screw and the like, the horizontal moving mechanism can adopt a linear air cylinder, a ball screw and the like, and the specific forms of the second lifting mechanism and the horizontal moving mechanism can be selected according to actual conditions.

Referring to fig. 1, in one embodiment, the vertical moving mechanism 32 includes a ball screw mounted on the column 12, and the upper plate 31 is mounted on a moving end of the ball screw. The upper plate 31 is coupled to a moving end of a ball screw by controlling a reciprocating movement of the upper plate 31 using one ball screw, so that the upper plate 31 approaches the lower plate 21 or moves away from the lower plate 21 according to the moving end of the ball screw. Alternatively, in another embodiment of the present embodiment, the vertical moving mechanism 32 includes two ball screws arranged in parallel, and a moving block erected between moving ends of the two ball screws, the two ball screws are respectively mounted on the corresponding columns 12, and the upper plate 31 is mounted on the moving block. Through installing two ball respectively on two stands 12 that correspond, and two ball synchronous operation to two ball can the synchronous control upper plate 31 remove, so that upper plate 31 removes more stably, and when upper plate 31 carried the corrugated sheet and folded towards hypoplastron 21, the corrugated sheet removed also more stably, and the stack process tends to stably, in order to keep going on smoothly of the fixed operation of stack. Meanwhile, a moving block can be mounted between the moving ends of the two ball screws, and the upper plate 31 is mounted on the moving block, so that the upper plate 31 can move more stably.

Referring to fig. 1, in one embodiment, the lower module 20 further includes a driving member 22 disposed on the base 11, and an output shaft of the driving member 22 is connected to the lower plate 21 and drives the lower plate 21 to slide on the base 11. Through set up driving piece 22 on base 11, utilize driving piece 22 to control the slip of hypoplastron 21 on base 11 to realize that hypoplastron 21 drives the corrugated sheet and aligns the stack with the adsorbed corrugated sheet on upper plate 31, avoid taking place the problem of wrong tooth. The driving member 22 may be a cylinder, and a piston of the cylinder is connected to the lower plate 21, so that the sliding of the lower plate 21 on the base 11 can be controlled by extending and retracting the piston through the cylinder. It will be appreciated that, in order to facilitate the installation of the cylinder and the control of the lower plate 21, a connecting block may be provided on the lower plate 21, and the piston of the cylinder may be connected to the connecting block, and the lower plate 21 may be pushed by pushing the connecting block.

Referring to fig. 1, in one embodiment, the base 11 is provided with a limiting structure 23 for limiting the position of the lower plate 21. The sliding position of the lower plate 21 is limited by providing a limit structure 23 on the base 11, so that the lower plate 21 is prevented from moving excessively. Specifically, the limiting structure 23 includes a first limiting block and a second limiting block arranged in the moving direction of the lower plate 21, and the first limiting block and the second limiting block are respectively arranged at two opposite ends of the lower plate 21; the first limiting block is used for limiting the position of the lower plate 21 superposed with the corrugated sheets in the odd-numbered layers, and the second limiting block is used for limiting the position of the lower plate 21 superposed with the corrugated sheets in the even-numbered layers. It can be understood that, when the lower plate 21 is stacked with an odd number of layers of corrugated sheets, for example, stacking the first layer of corrugated sheets, it is necessary to make the peak structure of the corrugated groove of the lower plate 21 opposite to the valley structure of the corrugated groove of the upper plate 31, so that when the upper plate 31 adsorbs one layer of corrugated sheets to move to the layer of corrugated sheets placed on the lower plate 21, the peak structure and the valley structure between two layers of corrugated sheets are opposite to form a honeycomb structure, and at this time, stacking the odd number of layers of corrugated sheets can be realized when the lower plate 21 is moved to abut against the first stopper. Similarly, when even layers of corrugated sheets are stacked on the lower plate 21, for example, a second layer of corrugated sheets is stacked, the peak structure of the corrugated groove of the lower plate 21 needs to be opposite to the peak structure of the corrugated groove of the upper plate 31, and the valley structure of the corrugated groove of the lower plate 21 needs to be opposite to the valley structure of the corrugated groove of the upper plate 31, so that when the upper plate 31 adsorbs one layer of corrugated sheets to move to two layers of corrugated sheets placed on the lower plate 21, the corrugated structure of the corrugated sheet on the upper plate 31 coincides with the position of the corrugated structure of the first layer of corrugated sheet from bottom to top on the lower plate 21, and thus the corrugated structure of the corrugated sheet on the upper plate 31 is staggered with the corrugated structure of the second layer of corrugated sheet from bottom to top on the lower plate 21, and when the second layer of corrugated sheet is stacked on the upper plate 31, the second layer of corrugated sheet can form a honeycomb structure with the second layer of corrugated sheet from bottom to top on the lower plate 21. At this time, the corrugated sheets of the even number layers can be superposed when the lower plate 21 is moved to abut against the second limiting block.

Referring to fig. 1, in one embodiment, the laser spot welding apparatus 40 is detachably mounted on the frame structure 10, and the suction mechanism is detachably mounted on the upper plate 31. Laser spot welding device 40 and adsorption apparatus construct the detachable structure to when the honeycomb of needs brazing, can pull down these quick-wear parts of laser spot welding device 40 and adsorption apparatus structure, directly put into the brazing furnace with fixed multilayer superimposed corrugated sheet of honeycomb assembly fixture 100 again and braze, avoid directly carrying the problem that leads to damaging or scattering to multilayer superimposed corrugated sheet.

Referring to fig. 2, in a second aspect, the present application further provides a honeycomb structure brazing process, in which the honeycomb structure assembling tool 100 is adopted, and the honeycomb structure brazing process includes the following steps:

s1, pressing the stainless steel foil or the aluminum foil into a corrugated sheet;

s2, coating brazing filler metal on the corrugated sheet;

s3, utilizing the honeycomb structure assembling tool 100 to stack and spot-weld the corrugated sheets to form a honeycomb structure;

and S4, placing the honeycomb structure assembly tool 100 together with the honeycomb structure into a brazing furnace for brazing, and taking out the honeycomb structure assembly tool after brazing is completed.

In step S3, the specific operation of stacking and spot-welding the corrugated sheets by using the honeycomb structure assembling tool 100 is as follows: the manufactured corrugated sheet is selected to be placed on the lower plate 21, the corrugated structure of the corrugated sheet is the same as that of the corrugated groove of the lower plate 21, and the corrugated sheet can be completely attached to the lower plate 21; adjusting the upper plate 31 to a proper height, selecting a manufactured corrugated sheet to be placed on the upper plate 31, and enabling an adsorption mechanism on the upper plate 31 to adsorb the corrugated sheet; the lower plate 21 is adjusted to the correct position, the upper plate 31 moves towards the lower plate 21 to enable the two corrugated sheets to be attached, and the laser spot welding device 40 performs spot welding and fixing on the two corrugated sheets; the steps of adjusting the height of the upper plate 31 and superposing the corrugated sheet to the lower plate 21 using the upper plate 31 are repeated until the corrugated sheet is superposed to a desired height.

In step S4, the specific operation of putting the honeycomb structure assembly fixture 100 together with the honeycomb structure into the brazing furnace for brazing is as follows: the quick-wear part is removed, the plurality of layers of corrugated sheets overlapped to the required height are arranged between the upper plate 31 and the lower plate 21 and are extruded and positioned through the upper plate 31 and the lower plate 21, and then the tool is put into a brazing furnace together with the honeycomb structure for brazing.

It will be appreciated that the dimensions of the upper and lower plates 31, 21 can be adjusted as required to the dimensions of the corrugated sheets, for example by replacing the larger upper and lower plates 31, 21 with a larger one to match the stack of larger corrugated sheets. The frame structure 10 in this application can be made of a high temperature resistant material so that the tooling can be placed in a vacuum brazing furnace together with the honeycomb. The invention has simple and reliable structure and convenient installation, can effectively solve the problems of difficult superposition and fixation of the brazed honeycomb corrugated sheets and the like, improves the qualification rate of brazed honeycomb products, has larger application range of combined modular structure design, and can meet the requirements of most sizes of honeycomb products.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.