Flat wire precision mold forming system and working method thereof

Abstract

The invention belongs to the technical field of metal machining, and particularly relates to machining treatment of metal profiles, in particular to a flat wire precision mold forming system and a working method thereof. The flat wire precision mold forming system comprises a second limiting block which synchronously moves towards or away from a first limiting block through a driving mechanism; two first supporting blocks and two second supporting blocks; third supporting blocks and containing cavities are arranged on the inner side walls of the first limiting block and the second limiting block in a sliding mode, a linkage structure is arranged in each containing cavity, and the linkage structures abut against the third supporting blocks. When the metal profile moves to the position above the fixed base, the first supporting block and the second supporting block move in the opposite directions so as to bear the metal profile; and after the metal profile moves to the bending station, the first supporting block and the second supporting block continue to move oppositely so as to be inserted into the corresponding containing cavity, and the linkage structure drives the third supporting block to slide outwards so as to limit the metal profile from the upper portion.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of metal mechanical processing, and particularly relates to processing of metal profiles, and especially to a flat wire precision die forming system and a working method thereof. BACKGROUND

[0002] In the bending processing of metal profiles, the positioning of the rectangular profile is the key to guarantee the bending accuracy. In order to avoid the loosening displacement of the metal profile during the bending process, the metal profile is pre-positioned by the two limiting blocks arranged oppositely before the bending starts.

[0003] In the related art, the limiting block is in the shape of L or U. The L-shaped limiting block is convenient for supporting the metal profile, but the profile is prone to warping due to the single-side support, and the support stability is poor.

[0004] The U-shaped limiting block improves the stability of the profile, but has the following defects: 1. The positioning fault tolerance is low, and the metal profile needs to be accurately matched with the opening position of the U-shaped limiting block, which is time-consuming and laborious for manual calibration; Therefore, how to quickly and stably pre-position the metal profile is a technical problem to be solved in the field.

[0005] It should be noted that the above information disclosed in the background section is only used to understand the background of the present application, and therefore, the above description is not considered as the information of the related art. SUMMARY

[0006] The present application provides at least a flat wire precision die forming system and a working method thereof.

[0007] In a first aspect, the present application provides a flat wire precision die forming system, comprising: a fixed base vertically arranged on a workbench; a first limiting block slidingly arranged on the fixed base; a second limiting block slidingly arranged on the fixed base and synchronously moving towards or away from the first limiting block through a driving mechanism; two first supporting blocks fixed to the side wall of the first limiting block; two second supporting blocks fixed to the side wall of the second limiting block and arranged in a staggered manner with the first supporting blocks; a third supporting block slidingly arranged on the inner side wall of the first limiting block and the second limiting block; an accommodating cavity is formed in the inner side wall of the first limiting block and the second limiting block, and a linkage structure is arranged in the accommodating cavity and abuts against the third supporting block; When the metal profile moves above the fixed base, the first support block and the second support block move towards each other to support the metal profile. After the metal profile moves to the bending station, the first support block and the second support block continue to move towards each other to be inserted into the corresponding accommodating cavity, and the linkage structure drives the third support block to slide outward to limit the metal profile from above.

[0008] In an optional embodiment, the linkage structure comprises: a lifting column which is arranged to be lifted in the accommodating cavity and is provided with a driving slope at the lower end; a pressing plate which is arranged on the bottom wall of the third support block and is arranged to slide in the accommodating cavity; the bottom wall of the third support block is provided with a limiting groove, and the side wall of the limiting groove is provided with a pressure receiving slope which is matched with the lifting column; When the first support block and the second support block move towards each other to be inserted into the corresponding accommodating cavity, the lifting column is driven to move upward; The lifting column moves upward to push the pressure receiving slope, so that the third support block slides outward to limit the metal profile from above.

[0009] In an optional embodiment, the first limiting block and the second limiting block are both embedded with sponge blocks, and the side wall of the sponge block abuts against the pressing plate; When the third support block slides outward, the pressing plate deforms the sponge block to make the oil in the sponge block drop onto the surface of the first support block and the second support block.

[0010] In an optional embodiment, a limiting sleeve is arranged on the outer wall of the lifting column, and the limiting sleeve is fixed on the inner wall of the accommodating cavity; a return spring is arranged on the limiting sleeve, and one end of the return spring is fixed on the outer wall of the lifting column.

[0011] In an optional embodiment, a tension spring is arranged at the inner end of the third support block, and the tension spring is arranged in the accommodating cavity, and the tension spring is adapted to pull the third support block to move inwardly.

[0012] In an optional embodiment, the included angle of the driving slope is 45-60°.

[0013] In an optional embodiment, the pressure receiving slope is opposite to the inclination direction of the driving slope.

[0014] In an optional embodiment, displacement sensors are arranged on the bottom wall of the first limiting block and the second limiting block to detect the distance between the first limiting block and the second limiting block in real time.

[0015] In an alternative embodiment, the distance between the third support block and the first support block is equal to the thickness of the metal profile.

[0016] In a second aspect, the present disclosure also provides a working method of the flat wire precision die forming system, which comprises: The metal profile is placed above the fixed base, and the driving mechanism drives the first and second limit blocks to move synchronously and oppositely; The first and second support blocks support the metal profile from below until the metal profile moves to the bending station; The first and second support blocks continue to move oppositely to be inserted into the corresponding accommodating cavities, and the linkage structure drives the third support block to slide outward to limit the metal profile from above.

[0017] The present application provides a flat wire precision die forming system and its working method. Through the cooperation of the first and second support blocks arranged in a staggered manner and the third support block arranged in an extension manner and the linkage structure, after the metal profile moves between the first and second limit blocks, the first and second support blocks arranged in a staggered manner can support the metal profile to prevent it from being raised. When the metal profile moves to the bending station, the first and second support blocks continue to move oppositely to be inserted into the corresponding accommodating cavities, thereby driving the third support block to slide outward, limiting the metal profile and correcting the metal profile at the same time. This avoids manual calibration and the collision risk during manual calibration, and realizes rapid and stable pre-positioning of the metal profile.

[0018] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application will be realized and achieved by the structures particularly pointed out in the description and the appended drawings.

[0019] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the related technical description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 A perspective view of the flat wire precision die forming system provided by the present disclosure is shown in the drawings; Figure 2A perspective view of the fixed base provided for the embodiments of the present disclosure; Figure 3 A perspective view of the first limiting block provided for the embodiments of the present disclosure; Figure 4 A sectional front view of the second limiting block provided for the embodiments of the present disclosure; Figure 5 A schematic view of the state that the second supporting block is inserted into the first limiting block provided for the embodiments of the present disclosure; Figure 6 A top view of the first limiting block and the second limiting block supporting the metal profile provided for the embodiments of the present disclosure.

[0022] In the drawings: 1, fixed base; 10, driving mechanism; 2, workbench; 3, first limiting block; 4, second limiting block; 5, first supporting block; 6, second supporting block; 7, third supporting block; 8, linkage structure; 81, lifting column; 82, extruded plate; 83, driving slope; 84, pressure receiving slope; 85, sponge block; 86, limiting sleeve; 87, return spring; 88, tension spring; 9, accommodating cavity; 90, metal profile. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described below in connection with the drawings, which apparently show only some of the embodiments of the present application and not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0024] In this document, when it is mentioned that a first component is on a second component, it can mean that the first component can be directly formed on the second component, or a third component can be interposed between the first component and the second component. In addition, in the drawings, in order to effectively describe the technical content, the thickness of the components can be exaggerated or reduced.

[0025] In this document, example embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of" when following a list of elements, modify the entire list of elements. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0026] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described unless specifically identified as an order of performance. Additional or alternative steps can be employed.

[0027] As used herein, the phrases "in an embodiment", "according to an embodiment", "in some embodiments", and the like, generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, features, structures, or characteristics can be included in more than one embodiment of the present disclosure, and therefore the phrases, "in an embodiment", "according to an embodiment", "in some embodiments", and the like, are not necessarily referring to the same embodiment. As used herein, the terms "example", "exemplary", and the like, mean "serving as an example, instance, or illustration." Any implementation, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations, aspects, or designs. Rather, the use of the terms "example", "exemplary", and the like, is intended to present concepts in a concrete manner.

[0028] It is found through research that in the related art, in the bending processing of metal profiles, the pre-positioning of rectangular profiles is the key to guarantee the bending accuracy. In order to avoid the loosening displacement of the metal profile during the bending process, the metal profile is pre-positioned by the two limiting blocks arranged oppositely before the bending starts.

[0029] In the related art, the limiting block is in the shape of L or U. Although the L-shaped limiting block is convenient for supporting the metal profile, the profile is prone to warping due to the single-side support, and the support stability is poor.

[0030] Although the U-shaped limiting block improves the stability of the profile, it has the following defects: 1. Low positioning fault tolerance, the metal profile needs to be accurately matched with the opening position of the U-shaped limiting block, and manual calibration is time-consuming and laborious; 2. High collision risk, since the position needs to be matched manually, the two U-shaped limiting blocks are prone to cause the profile sidewall to be crushed when moving towards each other.

[0031] Therefore, how to quickly and stably pre-position the metal profile is a technical problem that needs to be solved in the field.

[0032] The defects and causes thereof of the above scheme are the results of the inventors after practice and careful study, and thus the discovery process of the above problems and the solutions proposed by the present disclosure for the above problems should be the contributions of the inventors to the present disclosure in the process of the present disclosure.

[0033] It should be noted that similar reference numbers and letters represent similar items in the following drawings, and thus once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments and features in the embodiments can be combined with each other without conflict.

[0035] As Figures 1 to 6As shown, at least one embodiment provides a flat wire precision mold forming system, comprising: a fixed base 1, which is cast from high-strength alloy steel, is vertically arranged on a workbench 2, and carries the whole system; a first limiting block 3 and a second limiting block 4, which are connected to the fixed base 1 through linear guide rails and are synchronously moved away from or towards each other through a driving mechanism 10; the preferred driving mechanism 10 is a servo motor. Two first support blocks 5 are fixed to the side wall of the first limiting block 3; two second support blocks 6 are fixed to the side wall of the second limiting block 4 and are arranged in a staggered manner with the first support blocks 5; the distance between the two first support blocks 5 is greater than the width of the second support blocks 6; the distance between the two second support blocks 6 is greater than the width of the first support blocks 5, and the first support blocks 5 and the second support blocks 6 are at the same horizontal height. The inner side wall of the first limiting block 3 and the second limiting block 4 is slidably provided with a third support block 7; the inner side wall of the first limiting block 3 and the second limiting block 4 is provided with a receiving cavity 9, the first support block 5 is adapted to be inserted into the receiving cavity 9 of the side wall of the second limiting block 4; the second support block 6 is adapted to be inserted into the receiving cavity 9 of the side wall of the first limiting block 3. A linkage structure 8 is arranged in the receiving cavity 9, and the linkage structure 8 abuts against the third support block 7; wherein when the metal profile 90 moves above the fixed base 1, the first support block 5 and the second support block 6 move towards each other to support the metal profile 90; after the metal profile 90 moves to the bending station, the first support block 5 and the second support block 6 continue to move towards each other to be inserted into the corresponding receiving cavity 9, and the linkage structure 8 drives the third support block 7 to slide outward to limit the metal profile 90 from above. Through the cooperation of the staggered first support blocks 5 and second support blocks 6 and the telescopic third support blocks 7 and linkage structure 8, after the metal profile 90 moves between the first limiting block 3 and the second limiting block 4, the staggered first support blocks 5 and second support blocks 6 can support the metal profile 90 to prevent it from being raised; when the metal profile 90 moves to the bending station, the first support block 5 and the second support block 6 continue to move relatively to be inserted into the corresponding receiving groove, thereby driving the third support block 7 to slide outward, limiting the metal profile 90 and correcting the metal profile 90 at the same time. Avoid manual calibration, at the same time avoid the risk of collision when manual calibration, realize the fast and stable pre-positioning of the metal profile 90.

[0036] Reference is made to the accompanying Figure 4 and Figure 5The linkage structure 8 comprises: a lifting column 81 which is arranged in the accommodating cavity 9 in a lifting manner and is provided with a driving slope 83 at a lower end; the driving slope 83 is inclined at an angle of 45-60°. The surface of the driving slope 83 is subjected to nitriding treatment, and the hardness is HRC60; the outer wall of the lifting column 81 is sleeved with a limiting sleeve 86 which is fixed to the inner wall of the accommodating cavity 9; a return spring 87 is arranged on the limiting sleeve 86 and is fixed to the outer wall of the lifting column 81 at one end; and a pressing plate 82 is arranged on the bottom wall of the third supporting block 7 and is arranged in the accommodating cavity 9 in a sliding manner; the bottom wall of the third supporting block 7 is provided with a limiting groove, and the side wall of the limiting groove is provided with a pressure receiving slope 84 which is matched with the lifting column 81; and the pressure receiving slope 84 is opposite to the driving slope 83 in the direction of inclination.

[0037] With reference to the accompanying drawings Figure 5 The first limiting block 3 and the second limiting block 4 are both embedded with a sponge block 85, and the side wall of the sponge block 85 is in abutment with the pressing plate 82; when the third supporting block 7 slides outward, the pressing plate 82 extrudes the sponge block 85 to deform, so that the oil in the sponge block 85 drops onto the surface of the first supporting block 5 and the second supporting block 6. The sponge block 85 is made of nitrile rubber sponge, the porosity is not less than 80%, the sponge block 85 is impregnated with special lubricating grease, and the sponge block 85 is resistant to a temperature of 200℃. When the third supporting block 7 slides outward, the pressing plate 82 compresses the sponge block 85, and the grease drops onto the surface of the first supporting block 5 or the second supporting block 6.

[0038] With reference to the accompanying drawings Figure 2 The bottom wall of the first limiting block 3 and the second limiting block 4 is provided with a displacement sensor for detecting the distance between the first limiting block 3 and the second limiting block 4 in real time. The distance between the third supporting block 7 and the first supporting block 5 is equal to the thickness of the metal profile 90. Figure 2 In the figure, F2 and F1 represent the leftward and rightward movement directions of the first limiting block 3 and the second limiting block 4. Figure 2 The dotted line in the figure represents the metal profile 90.

[0039] With reference to the accompanying drawings Figure 5 The inner end of the third supporting block 7 is provided with a tension spring 88 which is arranged in the accommodating cavity 9 and is adapted to pull the third supporting block 7 to move inwardly and return.

[0040] The working principle is as follows: The robot places the metal profile 90 on the fixed base 1, the driving mechanism 10 is started, and the first limiting block 3 and the second limiting block 4 move towards each other; The first supporting block 5 and the second supporting block 6 contact the bottom surface of the metal profile 90 to prevent the metal profile 90 from being buckled up, when the metal profile 90 moves to the bending station, the first supporting block 5 and the second supporting block 6 move towards each other to be inserted into the corresponding accommodating cavities 9, and the lifting column 81 is driven to move upwardly. The lifting column 81 moves upward to push the pressure inclined surface 84, so that the third supporting block 7 slides outward to position the metal profile 90 from above; the third supporting block 7 slides outward to press the upper surface of the profile, and the vertical positioning is completed synchronously; the first supporting block 5 and the third supporting block 7 position the metal profile 90 from the upper and lower ends; the first limiting block 3 and the second limiting block 4 position the metal profile 90 from the left and right sides; and with the sliding of the third supporting block 7 outward, the extrusion plate 82 extrudes the sponge block 85 to realize the lubrication of the surfaces of the first supporting block 5 and the second supporting block 6, thereby avoiding the frictional damage of the first supporting block 5 and the second supporting block 6 to the bottom of the metal profile 90.

[0041] At least one embodiment provides a working method of a flat wire precision mold forming system, and the working method comprises: The metal profile 90 is placed above the fixed base 1, and the driving mechanism 10 drives the first limiting block 3 and the second limiting block 4 to move synchronously and oppositely; The first supporting block 5 and the second supporting block 6 support the metal profile 90 from below, and the metal profile 90 moves to the bending station; The first supporting block 5 and the second supporting block 6 continue to move oppositely to be inserted into the corresponding accommodating cavities 9, and the linkage structure 8 drives the third supporting block 7 to slide outward to position the metal profile 90 from above.

[0042] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms “mounting”, “connection”, “connecting” should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] In the description of the present application, it should be noted that the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, terms such as “first”, “second” and other numerical terms are used herein without implying a sequence or order, unless the context clearly indicates otherwise. Therefore, the first element, component, region, layer or section discussed above can be referred to as the second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0044] With the above ideal embodiments according to the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A flat wire precision mold forming system, characterized by, The utility model relates to a flat wire precision mould forming system, including: Fixed base (1) is set up vertically on workbench (2); First limit block (3) is set up in fixed base (1) and slides left and right; Second limit block (4) is set up on fixed base (1) and slides left and right, and moves synchronously with first limit block (3) and approaches or moves apart through drive mechanism (10); Two first support blocks (5) are fixed to the side wall of first limit block (3); Two second support blocks (6) are fixed to the side wall of second limit block (4) and are set up in dislocation with first support block (5); The inner side wall of first limit block (3) and second limit block (4) is slidably provided with third support block (7); The inner side wall of first limit block (3) and second limit block (4) is provided with a containing cavity (9), a linkage structure (8) is arranged in the containing cavity (9), and the linkage structure (8) is in abutment with the third support block (7); Wherein, when the metal profile moves above the fixed base (1), the first support block (5) and the second support block (6) move towards each other to support the metal profile; After the metal profile moves to the bending station, the first support block (5) and the second support block (6) continue to move towards each other to be inserted into the corresponding containing cavity (9), the linkage structure (8) drives the third support block (7) to slide outward to limit the metal profile from above.

2. The flat wire precision mold forming system of claim 1, wherein the linkage structure (8) comprises: a lifting column (81) that is arranged in the containing cavity (9) and has a driving slope (83) at a lower end; and a pressing plate (82) that is arranged on a bottom wall of the third support block (7) and is slidably arranged in the containing cavity (9).

3. The flat wire precision mold forming system of claim 2, wherein the first limit block (3) and the second limit block (4) are each embedded with a sponge block (85), and a side wall of the sponge block (85) is in abutment with the pressing plate (82).

4. The flat wire precision mold forming system of claim 2, wherein the lifting column (81) has a limiting sleeve (86) sleeved on an outer wall thereof, and the limiting sleeve (86) is fixed to an inner wall of the containing cavity (9).

5. The flat wire precision mold forming system of claim 2, wherein the limiting sleeve (86) has a return spring (87) arranged thereon, and one end of the return spring (87) is fixed to the outer wall of the lifting column (81). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The third support block (7) is provided with a tension spring (88) at the inner end, the tension spring (88) is arranged in the accommodating cavity (9), and the tension spring (88) is suitable for pulling the third support block (7) to move inwardly and reset.

6. The flat wire precision mold forming system according to claim 2, wherein, The driving slope (83) is inclined at an angle of 45-60°.

7. The flat wire precision mold forming system according to claim 2, wherein, The pressure receiving slope (84) is opposite to the driving slope (83) in the direction of inclination.

8. The flat wire precision mold forming system according to claim 1, wherein, The first limiting block (3) and the second limiting block (4) are provided with displacement sensors on the bottom walls, which are used to detect the distance between the first limiting block (3) and the second limiting block (4) in real time.

9. The flat wire precision mold forming system according to claim 1, wherein, The distance between the third support block (7) and the first support block (5) is equal to the thickness of the metal profile.

10. A working method of a flat wire precision mold forming system, characterized by, The working method of the flat wire precision mold forming system according to any one of claims 1-9 comprises: The metal profile is placed above the fixed base (1), and the driving mechanism drives the first limiting block (3) and the second limiting block (4) to move synchronously and oppositely; The first support block (5) and the second support block (6) support the metal profile from below until the metal profile moves to the bending station; The first support block (5) and the second support block (6) continue to move oppositely to be inserted into the corresponding accommodating cavities (9), and the linkage structure (8) drives the third support block (7) to slide outwardly to limit the metal profile from above.

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