M-shaped machine tool armor shield top structure with integrally pressed binding surfaces and forming method of M-shaped machine tool armor shield top structure

Abstract

The invention discloses an M-shaped machine tool armor shield top structure with integrally-pressed binding surfaces and a forming method of the M-shaped machine tool armor shield top structure. The M-shaped machine tool armor shield top structure aims at solving the performance problems that a traditional shield is connected dispersedly, the height of the binding surfaces is undefined, a PVC framework is prone to aging, assembly is complex, and movement, play and impact exist. The structure comprises an M-shaped base material layer, the connecting end of the M-shaped base material layer is provided with a bent top end and two sets of attaching pieces, attaching lines are arranged at the positions, away from the bent top end, of the attaching pieces, the fixed connecting portion of the two attaching pieces is the attaching lines or any area from the attaching lines to the bent top end, an integrated press-fit portion is formed, the height from the bent top end to the attaching lines is selected within the range of 1-15 mm, and the height from the bent top end to the attaching lines is selected within the range of 1-15 mm. The integrated pressing part is connected in a sewing mode, a thermal bonding mode and the like. The M-shaped base material layer is made of a linear polymer elastomer composite material, a continuous and non-spliced M-shaped wave structure is maintained, a traditional PVC armor organ protective cover structure and material are abandoned, the protective cover is more environmentally friendly, inherent defects of the protective cover are overcome, and strength, process feasibility and reliability are considered.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of machine tool protection, and particularly relates to an M-shaped machine tool helmet shield top structure with integrated pressing of two fitting surfaces and a forming method thereof. BACKGROUND

[0002] The organ protection shield is a kind of machine tool protection shield, and the traditional organ protection shield comprises outer protection pieces made of three-proof cloth or rubber material, and a skeleton (a plate made of PVC or other materials) for supporting and stabilizing is arranged in each group of outer protection pieces. The organ protection shield top is increased with helmet pieces to form a helmet protection.

[0003] The traditional machine tool helmet shield top structure has the following defects in connection with the helmet piece buckle:

[0004] Firstly, the connection mode is dispersed and inefficient, and a truly integrated pressing structure is not formed, the two fitting surfaces are easy to separate, and problems such as M-shaped profile deformation and buckle falling off are caused.

[0005] Secondly, the assembly process is complex, and the product life and reliability are affected by the complexity of the structure.

[0006] Thirdly, the PVC or other material plates will age and deform after being used for a long time, and there are problems such as difficulty in maintenance in the later period, and the PVC material is not easy to degrade and has poor environmental protection.

[0007] Fourthly, the height from the bent top end of the integrated pressing part to the fitting line has no clear scientific limitation, and is arbitrary, and too large will easily cause uneven pressing force and decrease in profile precision, and too small will cause insufficient connection strength and poor adaptability.

[0008] Fifthly, the traditional organ protection shield has some problems due to the use of PVC support plates and materials. After the organ protection shield moves, problems such as movement, shaking, helmet piece impact and the like are caused. The movement is that after the driving device stops pulling or contracting the organ protection shield, the helmet shield will continue to move forward due to inertia, causing the organ protection shield to continue to contract or stretch, and the helmet pieces collide with each other. This problem affects the stability of the connection between the helmet pieces and the organ skeleton, and long-term movement will cause the organ protection shield to have a reduced service life, the helmet pieces to have a shortened service life, and the PVC plate to crack, affecting the machine tool precision and producing noise.

[0009] Therefore, how to solve the defects in the above technical solutions has become one of the problems to be solved in the technical field of machine tool protection. SUMMARY

[0010] In view of the problems existing in the background technology, an M-shaped machine tool armor cover top structure with integrated bonding surface and its forming method are disclosed, including an M-shaped substrate layer; two sets of flexible plates at the bent top of the M-shaped substrate layer are connected together by a fixed connection to form a connecting end;

[0011] The inner bonding surface is the bent end that is close to each other. The two sets of flexible plates that are integrally connected on both sides of the bent top are bonding sheets. After the inner bonding surfaces are bonded, the two bonding sheets and the bent top part form an integrated pressing part. The two bonding sheets are provided with bonding lines at positions away from the bent top. The fixed connection part of the two bonding sheets is the bonding line, or any area from the bonding line to the bent top, so that the M-shaped substrate layer maintains a continuous M-shaped wave structure without splicing gaps.

[0012] The bonding line structure ensures that the inner bonding surface does not affect the overall operation of the accordion-style frame after bonding, avoiding structural deformation or excessive unfolding angle during subsequent use, and preventing structural failure and the opening of the armor plate clips, which would affect the structural stability.

[0013] The M-shaped wave integrated structure ensures the stability of the structural outline. Compared with the traditional manufacturing process of three-proof fabric plus PVC frame, the M-shaped wave structure solves the problem of the overly complicated assembly process of PVC board and three-proof fabric through material and structural innovation. The integrated structure improves the product life and reliability, enabling the armor accordion to run at a speed exceeding 150m / min.

[0014] The M-shaped substrate layer has at least one set of connecting ends, which are evenly distributed along its transverse direction; the height from the bent top of the integrated pressing part to the bonding line is preferably 1mm-15mm, and in some extreme cases the height may exceed 15mm. The pressing method of the integrated pressing layer is not limited, including but not limited to sewing pressing, heat curing pressing, high frequency welding pressing, ultrasonic welding pressing, hot melt pressing, composite adhesive pressing, riveting pressing, silicon fusion bonding pressing, laser welding pressing, electromagnetic induction pressing, and any pressing technology known or developed in the art in the future.

[0015] At the bonding line of the integrated pressing part, the two bonding pieces are tightly bonded together by a thermal bonding layer, welding layer, fusion layer or mechanical connection structure provided between the inner bonding surfaces.

[0016] This ensures that the bonding pieces form a stable, integrated structure after being pressed and fixed, making them impossible to separate manually. It also achieves the dual functions of permanently shaping the M-shaped contour and preventing the armor plate clips from falling off. After multiple rounds of mechanical tests and practical application verification, the preferred height of 1mm-15mm balances pressing strength and process feasibility, avoiding connection failure due to excessive height and uneven pressing due to excessive height. At the same time, this size can be adapted to mainstream armor plate clips. In some extreme cases, a height of more than 15mm can also achieve the above effect. The specific length needs to be selected according to the actual implementation environment.

[0017] The outer surface of the connecting end is the outer bonding surface. The connecting end is connected to the armor plate through an armor clip. The root of the armor clip is bonded to the outer bonding surface, and the bonding area between the root of the armor clip and the outer bonding surface is: the location of the bonding line or the area between the bonding line and the top of the bend.

[0018] This fit position further ensures that the accordion shield structure will not pry open the base of the armor clips and break the armor clips after it is deployed, while ensuring the overall elasticity of the M-shaped base material layer structure.

[0019] The mechanical connection structure at the bonding line is a sewing thread, and the mechanical connection and other connection methods can be combined with thermal bonding, high-frequency welding or other connection methods to fix the inner bonding surface part; the thermal bonding layer is a hot melt adhesive layer, the welding layer is a high-frequency welding connection layer, and the fusion layer is a fusion connection layer.

[0020] The M-shaped substrate layer is made of linear polymer elastomer composite material, including any one of the following: single-sided fiber structure plus linear polymer elastomer, double-sided fiber structure plus linear polymer elastomer, double-sided linear polymer elastomer plus intermediate fiber structure, and simple linear polymer elastomer composite material.

[0021] Compared to the traditional manufacturing process of using three-proof fabric with a PVC frame, this structure solves the problem of structural failure caused by aging of the PVC frame through material optimization. Simultaneously, by replacing the structure, it addresses issues such as excessive weight of the PVC board and the movement, shaking, impact of the armor plates, and abnormal noises caused by the movement of the accordion-style protective cover. This bending structure is simple to process, and its frame material and associated adhesive materials are more easily degraded than those of traditional structures, significantly increasing its environmental performance.

[0022] The structure after lamination must meet the following performance indicators:

[0023] (1) The accuracy error of the M-shaped contour is ≤ ±0.5mm, preferably ≤ ±0.2mm;

[0024] (2) It undergoes 1 million reciprocating motions at a speed of 120 m / min without deformation or loosening;

[0025] (3) Use a standard tool with a hardness of HRC55-60 to strike the clip 100 times with a force of 5-8N. The clip does not fall off, and there are no cracks on the inner and outer mating surfaces and the integrated pressing part.

[0026] In summary, the beneficial effects of this invention are:

[0027] This invention uses a roll-material construction, completely abandoning the materials and structure of traditional accordion-style protective covers. Typically, the accordion-style frame is formed through continuous bending using cold processing. The main body of the accordion-style frame, an M-shaped substrate layer, has a wavy structure with no seams. Its structure and materials ensure that the accordion-style frame is not easily broken. Compared to traditional accordion-style frames, the structure is relatively simple, reducing assembly time for operators. It also solves the problem of structural failure caused by aging of PVC frames. By replacing the structure, it solves the problems of excessive weight of PVC boards causing the accordion-style protective cover to shift, shake, and produce abnormal noises during movement. This integrated structure is simple to process, and the materials are more biodegradable and environmentally friendly compared to traditional PVC accordion-style protective cover frames and their accessories. The integrated pressing surface ensures a tight fit between the inner surfaces, preventing manual separation and ensuring that the armor clips are not easily detached. It also achieves M-shaped contour shaping, ensuring the rigidity of the accordion-style frame meets the required standards. The height from the bent tip of the integrated pressing part to the bonding line is 1-15mm, which avoids connection failure due to excessively short height and uneven pressing due to excessively long height. This bonding height takes into account both pressing strength and process feasibility. Attached Figure Description

[0028] Figure 1 This is a front view schematic diagram of the top structure of the M-shaped machine tool armor cover with integrated bonding surface and its molding method according to the present invention;

[0029] Figure 2 This is a top view of the M-shaped base material layer, which is a top structure of an M-shaped machine tool armor cover with an integrated bonding surface and its molding method according to the present invention.

[0030] Figure 3 This is a schematic diagram of a partial structure of the M-shaped substrate layer, which is a top structure of an M-shaped machine tool armor cover with an integrated bonding surface and its molding method according to the present invention.

[0031] Figure 4 This is a schematic diagram of the overall structure of the top structure of the M-shaped machine tool armor cover with integrated bonding surface and its molding method according to Embodiment 1 of the present invention;

[0032] Figure 5 This is a partial structural schematic diagram of an embodiment 1 of the present invention, which describes the top structure of an M-shaped machine tool armor cover with integrated bonding surface and its molding method.

[0033] Figure 6 This is a top view of the overall structure of the M-shaped machine tool armor cover top structure and its molding method of the present invention, which is an integrally pressed M-shaped machine tool armor cover.

[0034] Figure 7 This is a partial structural schematic diagram of Embodiment 2 of the M-shaped machine tool armor cover top structure and its molding method of the present invention, which is an integrally pressed M-shaped machine tool armor cover.

[0035] Figure 8 This is a top view of the overall structure of the M-shaped machine tool armor cover top structure and its molding method of the present invention, which is an integrally pressed M-shaped machine tool armor cover.

[0036] Figure 9 This is a partial structural schematic diagram of the top structure of the M-shaped machine tool armor cover with integrated bonding surface and its molding method according to Embodiment 3 of the present invention. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Although exemplary embodiments are disclosed in the drawings, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to facilitate a thorough understanding of the invention and to fully convey the inventive concept to those skilled in the art.

[0038] In the description of this specification, the references to terms such as "certain embodiments," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0039] In this invention, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0040] Example 1

[0041] Use a sewing and pressing process;

[0042] Please see Figures 1 to 5 As shown, this invention provides an M-shaped machine tool armor cover top structure with integrated bonding surfaces and its molding method. Please refer to [link to relevant documentation]. Figures 1-3 As shown, the linear polymer elastomer composite material is cut as needed, and the material is bent into an M-shaped substrate layer 1 using a bending process. The M-shaped substrate layer 1 needs to be an M-shaped wave structure. The M-shaped substrate layer 1 has at least one set of connecting ends, which are evenly distributed in the transverse direction. The two bonding pieces 11 are provided with bonding lines at positions away from the bending top 12. The two bonding pieces 11 and the bending top 12 part form an integrated pressing part. The height from the bending top 12 of the integrated pressing part to the bonding line is 3mm.

[0043] Furthermore, the armor plate clip 2 is made of 0.5 mm thick spring steel plate through a stamping process to form an integrated clip assembly. The surface of the clip needs to be sprayed with a water-based anti-rust coating.

[0044] Then, high-temperature resistant aramid thread, i.e. sewing thread 3, is used to continuously lock the edges along the bonding line. The pressure generated by tightening the sewing thread is used to press and fix the inner bonding surface 14 into one piece.

[0045] Finally, tap the armor plate clip 2 until the outer bonding surface 13 is completely covered, and ensure that the bonding area between the base of the armor plate clip 2 and the outer bonding surface 13 is: the part where the bonding line is located or the area between the bonding line and the bent top 12, then the assembly is complete.

[0046] This embodiment uses a cold-working method to continuously bend the accordion-style frame, making the accordion protection less prone to breakage. The use of sewing as an integral pressing method ensures the stability of the structural outline. Compared with the traditional manufacturing process of three-proof fabric plus PVC frame, this structure solves the problem of structural failure caused by aging of PVC frame through material optimization. At the same time, eliminating the PVC frame structure solves the problems of abnormal noise, movement, and impact between armor plates when the accordion protective cover moves.

[0047] The accordion-style protective cover provided in this embodiment has an integrated pressing part with a height of 3mm after bending. After sewing according to the above parameters, the armor plate clip 2 is tapped until the armor plate clip 2 covers the connecting end. According to the experiment, the M-shaped contour accuracy error of this embodiment 1 is ≤ ±0.3mm; it can reciprocate for 1 million times at a speed of 120m / min without deformation; it can be tapped 100 times with a standard tool with a hardness of HRC55-60 and a force of 5-8N without falling off, and the bonding surface is free from cracks.

[0048] Example 2

[0049] Uses a heat-curing and pressing process;

[0050] Please see Figures 1 to 3 , Figures 6 to 7 As shown, this invention provides an M-shaped machine tool armor cover top structure with integrated bonding surfaces and its molding method. Please refer to [link to relevant documentation]. Figures 1-3 As shown, the linear polymer elastomer composite material is cut as needed, and the material is bent into an M-shaped substrate layer 1 using a bending process. The M-shaped substrate layer 1 needs to be an M-shaped wave structure. The M-shaped substrate layer 1 has at least one set of connecting ends, which are evenly distributed along its transverse direction. The two bonding pieces 11 are provided with bonding lines at positions away from the bending top 12. The two bonding pieces 11 and the bending top 12 part form an integrated pressing part. The height from the bending top 12 of the integrated pressing part to the bonding line is 7mm.

[0051] The armor plate clip 2 is made of 0.5 mm thick spring steel plate through a stamping process to form an integrated clip assembly. The surface of the clip is galvanized for rust prevention.

[0052] Apply high-temperature hot melt adhesive to the inner bonding surface 14, then align the bonding sheet 11, place it in a hot press mold to heat and press the bonding surface together. The heating temperature is 110℃, the pressure is 0.9MPa, and the holding time is 5 minutes.

[0053] Finally, tap the armor plate clip 2 until the outer bonding surface 13 is completely covered, and ensure that the bonding area between the base of the armor plate clip 2 and the outer bonding surface 13 is: the part where the bonding line is located or the area between the bonding line and the bent top 12, then the assembly is complete.

[0054] This embodiment uses a cold working method to continuously bend the frame to form an accordion-style frame, which makes the accordion protection less prone to breakage. It uses a heat curing and pressing method to integrate the frame, which ensures the stability of the structural outline. After the hot melt adhesive melts, it fills the gap between the bonding surfaces. After cooling and curing, the inner bonding surfaces 14 are pressed together to form a whole, making this structure more stable and longer-lasting than traditional accordion-style frames.

[0055] The accordion-style protective cover provided in this embodiment has an integrated pressing part with a height of 7mm after bending. After heating and curing pressing with a heating mold according to the above parameters, the armor plate clip 2 is knocked to make the armor plate clip 2 cover the connecting end. According to the experiment, the M-shaped contour accuracy error of this embodiment 2 is ≤0.09mm, and there is no deformation after 1 million reciprocating movements at a speed of 120m / min; the clip does not fall off after being knocked 100 times with a standard tool with a hardness of HRC55-60 and a force of 5-8N, and there is no cracking on the bonding surface.

[0056] Example 3

[0057] High-frequency welding and pressing process is used;

[0058] Please see Figures 1 to 3 , Figures 8 to 9 As shown, this invention provides an M-shaped machine tool armor cover top structure with integrated bonding surfaces and its molding method. Please refer to [link to relevant documentation]. Figures 1-3 As shown, the linear polymer elastomer composite material is cut as needed, and the material is bent into an M-shaped substrate layer 1 using a bending process. The M-shaped substrate layer 1 needs to be an M-shaped wave structure. The M-shaped substrate layer 1 has at least one set of connecting ends, which are evenly distributed in the transverse direction. The two bonding pieces 11 are provided with bonding lines at positions away from the bending top 12. The two bonding pieces 11 and the bending top 12 part form an integrated pressing part. The height from the bending top 12 of the integrated pressing part to the bonding line is 10mm.

[0059] The armor plate clip 2 is made of 0.6 mm thick spring steel through a stamping process to form an integral clip assembly. The surface of the clip needs to be coated with an anti-rust coating.

[0060] Multiple sets of bonding pieces 11 are aligned and fixed together. A 30kW high-frequency welding device is used to scan and weld along the bonding surface. The specific welding power needs to reach 2000-3000W. The heat generated by the high-frequency vibration is used to heat the bonding pieces 11. After the bonding pieces 11 are partially melted into one piece, they are pressed and cooled.

[0061] Finally, tap the armor plate clip 2 until the outer bonding surface 13 is completely covered, and ensure that the bonding area between the base of the armor plate clip 2 and the outer bonding surface 13 is: the part where the bonding line is located or the area between the bonding line and the bent top 12, then the assembly is complete.

[0062] This embodiment uses a cold working method to continuously bend the frame to form an accordion-style frame. The accordion protection is not easy to break. High-frequency welding and pressing are used to press it into a whole, thereby ensuring the stability of the structural outline. The armor plate clips 2 are not easy to fall off. High-frequency vibration heats the two bonding surfaces to locally melt the bonding pieces 11 to achieve the expected effect of the bonding surfaces being integrated. This structure has higher stability and service life compared to the traditional accordion-style frame.

[0063] The accordion-style protective cover provided in this embodiment has an integrated pressing part with a height of 10mm after bending. After high-frequency welding and pressing using a heating mold according to the above parameters, the armor plate clip 2 is knocked to make the armor plate clip 2 cover the connecting end. The M-shaped contour accuracy error is ≤0.1mm; it can reciprocate 1 million times at a speed of 120m / min without deformation; it can be knocked 100 times with a standard tool with a hardness of HRC55-60 and a force of 5-8N without falling off, and there is no cracking on the bonding surface.

[0064] Experiments showed that Example 1 had improved service life and end toughness compared to Examples 2 and 3. Since Example 1 used cold processing to avoid heating the bonding sheet, it avoided the problem of oxidation and mechanical property degradation of the polymer material after heating. Therefore, the service life and end toughness of Example 1 were better than those of Examples 2 and 3.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A top structure of an M-shaped machine tool armor cover with an integrated bonding surface and its molding method, characterized in that, It includes an M-shaped substrate layer; the two sets of flexible plates at the bent top of the M-shaped substrate layer are connected together by a fixed connection to form a connection end; The inner bonding surface is the bent end that is close to each other. The two sets of flexible plates that are integrally connected on both sides of the bent top are bonding sheets. After the inner bonding surfaces are bonded, the two bonding sheets and the bent top part form an integrated pressing part. The two bonding sheets are provided with bonding lines at positions away from the bent top. The fixed connection part of the two bonding sheets is the bonding line, or any area from the bonding line to the bent top, so that the M-shaped substrate layer maintains a continuous M-shaped wave structure without splicing gaps.

2. The top structure according to claim 1, characterized in that, The M-shaped substrate layer has at least one set of connecting ends, which are evenly distributed along its transverse direction; the height from the bent top of the integrated pressing part to the bonding line is 1mm-15mm; the pressing method of the integrated pressing layer is not limited, including but not limited to sewing pressing, heat curing pressing, high frequency welding pressing, ultrasonic welding pressing, hot melt pressing, composite adhesive pressing, riveting pressing, silicon fusion bonding pressing, laser welding pressing, electromagnetic induction pressing, and any pressing technology known or developed in the art in the future. At the bending line of the integrated pressing part, the two bonding pieces are tightly bonded and fixed by a heat-adhesive layer, welding layer, fusion layer or mechanical connection structure provided between the inner bonding surfaces.

3. The top structure according to claim 1, characterized in that, The outer surface of the connecting end is the outer bonding surface. The connecting end is connected to the armor plate through an armor clip. The root of the armor clip is bonded to the outer bonding surface, and the bonding area between the root of the armor clip and the outer bonding surface is: the location of the bonding line or the area between the bonding line and the top of the bend.

4. The top structure according to claim 2, characterized in that, The mechanical connection structure at the bonding line is a sewing thread, the thermal bonding layer is a hot melt adhesive layer, the welding layer is a high-frequency welding connection layer, and the fusion layer is a fusion connection layer.

5. The top structure according to claims 1-4, characterized in that, The accuracy error of the M-shaped contour of the structure is ≤ ±0.5mm, and the priority error is ≤ ±0.2mm.

6. The top structure according to claim 1, characterized in that, The structure meets the following performance indicators: it can reciprocate for 1 million times at a speed of 120m / min without deformation or loosening; The clip was struck 100 times with a force of 5-8N using a standard tool with a hardness of HRC55-60. The clip did not fall off and the mating surface did not crack.

7. A method for forming the top structure of an M-shaped machine tool armor cover with an integrated bonding surface, characterized in that, Includes the following steps: (1) Prepare an M-shaped substrate layer with a continuous M-shaped wave structure, wherein the preferred height from the bending tip of the integrated pressing part to the bending line is 1-15mm; (2) Prepare armor plates with clips to ensure that the base of the armor plate clips is compatible with the outer bonding surface of the M-shaped substrate layer; (3) By any pressing method, the integrated pressing layer with a height of 1mm-15mm is pressed into an inseparable whole, and the pressing process is compatible with the substrate and armor plate material. Then the armor plate clips and armor plates are installed. (4) Test the accuracy of the M-shaped contour, the durability of reciprocating motion and the anti-detachment performance of the clips. After meeting the indicators described in claims 5 and 6, the finished product is obtained.

8. The top structure according to claim 1, characterized in that, The M-shaped substrate layer is made of linear polymer elastomer composite material.

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