Flat wire precision mold forming system and working method thereof

Abstract

The application belongs to the technical field of metal machining, and particularly relates to a flat wire precision die forming system and a working method thereof. The flat wire precision die forming system comprises a second limiting block, two first supporting blocks and two second supporting blocks, and a driving mechanism. The first limiting block and the second limiting block are synchronously moved towards or away from each other through the driving mechanism. The inner side walls of the first limiting block and the second limiting block are slidably provided with third supporting blocks and accommodating cavities. A linkage structure is arranged in the accommodating cavities and abuts against the third supporting blocks. When the metal profile moves above the fixed base, the first supporting blocks and the second supporting blocks move towards each other to support the metal profile. After the metal profile moves to the bending station, the first supporting blocks and the second supporting blocks continue to move towards each other to be inserted into the corresponding accommodating cavities. The linkage structure drives the third supporting blocks to slide outward to limit the metal profile from above.

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 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.

[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:

[0005] 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;

[0006] Therefore, how to quickly and stably pre-position the metal profile is a technical problem to be solved in the field.

[0007] It should be noted that the above information disclosed in the background section of the present application 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

[0008] The present application provides at least a flat wire precision die forming system and a working method thereof.

[0009] In a first aspect, the present application provides a flat wire precision die forming system, comprising:

[0010] A fixed base vertically arranged on a workbench;

[0011] A first limiting block slidingly arranged on the fixed base;

[0012] 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;

[0013] Two first supporting blocks fixed to the side wall of the first limiting block;

[0014] 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;

[0015] The inner side wall of the first limiting block and the second limiting block is slidingly arranged with a third supporting block.

[0016] The inner wall of the first limiting block and the second limiting block is provided with a containing cavity, and a linkage structure is arranged in the containing cavity and abuts against the third supporting block;

[0017] When the metal profile moves above the fixed base, the first supporting block and the second supporting block move towards each other to support the metal profile;

[0018] After the metal profile moves to the bending station, the first supporting block and the second supporting block continue to move towards each other to be inserted into the corresponding containing cavities, and the linkage structure drives the third supporting block to slide outward to limit the metal profile from above.

[0019] In an alternative embodiment, the linkage structure comprises:

[0020] A lifting column is arranged in the containing cavity in a lifting manner, and a driving slope is arranged at the lower end of the lifting column;

[0021] An extrusion plate is arranged on the bottom wall of the third supporting block and arranged in the containing cavity in a sliding manner;

[0022] The bottom wall of the third supporting block is provided with a limiting groove, and the side wall of the limiting groove is provided with a pressure receiving slope matched with the lifting column;

[0023] When the first supporting block and the second supporting block move towards each other to be inserted into the corresponding containing cavities, the lifting column is driven to move upward;

[0024] The lifting column moves upward to push the pressure receiving slope, so that the third supporting block slides outward to limit the metal profile from above.

[0025] In an alternative 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 extrusion plate;

[0026] When the third supporting block slides outward, the extrusion plate extrudes the sponge block to deform, so that the oil in the sponge block drops onto the surface of the first supporting block and the second supporting block.

[0027] In an alternative embodiment, a limiting sleeve is arranged on the outer wall of the lifting column, and the limiting sleeve is fixed to the inner wall of the containing cavity;

[0028] A return spring is arranged on the limiting sleeve, and one end of the return spring is fixed to the outer wall of the lifting column.

[0029] In an alternative embodiment, a tension spring is arranged at the inner end of the third supporting block, the tension spring is arranged in the containing cavity, and the tension spring is adapted to pull the third supporting block to move inwardly.

[0030] In an alternative embodiment, the driving slope is inclined at an angle of 45-60 degrees.

[0031] In an alternative embodiment, the pressure receiving slope is opposite to the driving slope.

[0032] In an alternative embodiment, the displacement sensor is arranged on the bottom wall of the first and second limiting blocks to detect the distance between the first and second limiting blocks in real time.

[0033] In an alternative embodiment, the distance between the third supporting block and the first supporting block is equal to the thickness of the metal profile.

[0034] In a second aspect, the present disclosure also provides a working method of the flat wire precision mold forming system, which comprises:

[0035] The metal profile is placed above the fixed base, and the driving mechanism drives the first and second limiting blocks to move towards each other synchronously.

[0036] The first and second supporting blocks support the metal profile from below until the metal profile moves to the bending station.

[0037] The first and second supporting blocks continue to move towards each other to be inserted into the corresponding accommodating cavities, and the linkage structure drives the third supporting block to slide outward to limit the metal profile from above.

[0038] The present application has the advantages that the present application provides a flat wire precision mold forming system and a working method thereof. Through the cooperation of the first and second supporting blocks arranged in a staggered manner and the third supporting block arranged in an extendable manner and the linkage structure, after the metal profile moves between the first and second limiting blocks, the first and second supporting 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 supporting blocks continue to move relatively to be inserted into the corresponding accommodating cavities, thereby driving the third supporting block to slide outward, limiting the metal profile and correcting the metal profile at the same time. The manual calibration is avoided, the collision risk during manual calibration is avoided, and the metal profile is quickly and stably pre-positioned.

[0039] 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.

[0040] 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

[0041] In order to more clearly illustrate the technical solutions in the specific embodiments or the related art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the related art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0042] Figure 1 A perspective view of the flat wire precision mold forming system provided by the embodiment of the present disclosure is provided.

[0043] Figure 2 A perspective view of the fixed base provided by the embodiment of the present disclosure is provided.

[0044] Figure 3 A perspective view of the first limiting block provided by the embodiment of the present disclosure is provided.

[0045] Figure 4 A sectional front view of the second limiting block provided by the embodiment of the present disclosure is provided.

[0046] Figure 5 A schematic diagram of the state that the second supporting block is inserted into the first limiting block provided by the embodiment of the present disclosure is provided.

[0047] Figure 6 A top view of the first limiting block and the second limiting block supporting the metal profile provided by the embodiment of the present disclosure is provided.

[0048] In the drawings:

[0049] 1, fixed base; 10, driving mechanism; 2, workbench; 3, first limiting block; 4, second limiting block;

[0050] 5, first supporting block; 6, second supporting block; 7, third supporting block;

[0051] 8, linkage structure; 81, lifting column; 82, extrusion plate; 83, driving slope; 84, pressure receiving slope; 85, sponge block; 86, limiting sleeve; 87, return spring; 88, tension spring;

[0052] 9, accommodating cavity; 90, metal profile. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0054] In this document, when it is mentioned that a first component is located on a second component, it can mean that the first component can be formed directly on the second component, or a third component can be interposed between the first component and the second component. Also, in the drawings, the thickness of components can be exaggerated or reduced for effective description of the technical content.

[0055] 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 modifies the entire list of elements. For example, the expression "at least one of a, b, and c" should be understood as including 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.

[0056] 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 articles "a," "an," and "the" can be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "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 discussed or illustrated, unless specifically identified as an order of performance. Additional or alternative steps can be employed.

[0057] 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, appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment. As used herein, the term "example" or "exemplary" means "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 term "example" or "exemplary" is intended to present concepts in a concrete manner. As used herein, the term "include" and derivatives thereof mean "comprise" or "comprising," but do not exclude the presence of other elements or additional steps. Where only one of a number of alternative steps is implemented, the term "comprising" or "including" has been used and clearly does not exclude additional or other alternative steps. Furthermore, "exemplary" is not intended to convey that all examples are to be considered to be the "best" or "optimal" in terms of overall desired performance.

[0058] 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.

[0059] In the related art, the shape of the limiting block is L-shaped or U-shaped. The L-shaped limiting block is convenient for supporting the metal profile, but the profile is prone to warping due to single-side support, and the support stability is poor.

[0060] The U-shaped limiting block improves the stability of the profile, but has the following defects:

[0061] 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;

[0062] 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.

[0063] Therefore, how to quickly and stably pre-position the metal profile is a technical problem that needs to be solved in the field.

[0064] The defects of the above-mentioned solutions and the causes thereof are the results obtained by the inventors after practice and careful research, therefore, the discovery process of the above-mentioned problems and the solutions proposed by the present disclosure to solve the above-mentioned problems should be the contributions made by the inventors to the present disclosure in the process of the present disclosure.

[0065] It should be noted that similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0066] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0067] 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.

[0068] Reference is made to the accompanying Figure 4 and Figure 5The linkage structure 8 includes: a lifting column 81, which is lifted and lowered within the receiving cavity 9, and has a driving inclined surface 83 at its lower end; the inclined angle of the driving inclined surface 83 is 45-60°. The surface of the driving inclined surface 83 is nitrided and has a hardness of HRC60. A limiting sleeve 86 is fitted onto the outer wall of the lifting column 81, and the limiting sleeve 86 is fixed to the inner wall of the receiving cavity 9; a return spring 87 is provided on the limiting sleeve 86, and one end of the return spring 87 is fixed to the outer wall of the lifting column 81. A pressing plate 82 is disposed on the bottom wall of the third support block 7 and is slidably disposed within the receiving cavity 9; a limiting groove is formed in the bottom wall of the third support block 7, and a pressure-bearing inclined surface 84 adapted to the lifting column 81 is provided on the side wall of the limiting groove; the inclined direction of the pressure-bearing inclined surface 84 is opposite to that of the driving inclined surface 83.

[0069] Continue to refer to the appendix Figure 5 Both the first limiting block 3 and the second limiting block 4 have embedded sponge blocks 85, the sidewalls of which abut against the extrusion plate 82. When the third support block 7 slides outward, the extrusion plate 82 deforms the sponge block 85, causing the oil inside the sponge block 85 to drip onto the surfaces of the first support block 5 and the second support block 6. The sponge block 85 is made of nitrile rubber sponge with a porosity of not less than 80%, impregnated with special lubricating grease, and resistant to temperatures up to 200℃. When the third support block 7 slides outward, the extrusion plate 82 compresses the sponge block 85, causing the grease to drip onto the surface of the first support block 5 or the second support block 6.

[0070] Reference Appendix Figure 2 Displacement sensors are installed on the bottom walls of the first limiting block 3 and the second limiting block 4 to detect the distance between them in real time. The distance between the third support block 7 and the first support block 5 is equal to the thickness of the metal profile 90. Figure 2 In the diagram, F2 and F1 represent the left and right movement directions of the first limiting block 3 and the second limiting block 4. Figure 2 The dashed line in the middle represents a 90mm metal profile.

[0071] Reference Appendix Figure 5 A tension spring 88 is provided at the inner end of the third support block 7. The tension spring 88 is located in the receiving cavity 9 and is adapted to pull the third support block 7 to move inward to reset.

[0072] The working principle is as follows:

[0073] The robotic arm places the metal profile 90 on the fixed base 1, the drive mechanism 10 is activated, and the first limit block 3 and the second limit block 4 move toward each other;

[0074] The first supporting block 5 and the second supporting block 6 are in contact with the bottom surface of the metal profile 90, so as to avoid the metal profile 90 from being buckled; when the metal profile 90 is moved to the bending station, the first supporting block 5 and the second supporting block 6 are moved towards each other and inserted into the corresponding accommodating cavities 9, and the lifting column 81 is driven to move upwards;

[0075] The lifting column 81 moves upwards and pushes the pressure inclined surface 84, so as to make the third supporting block 7 slide outwards to limit the metal profile 90 from above; the third supporting block 7 is pressed against the upper surface of the metal profile, so as to simultaneously complete the following: vertical positioning, the first supporting block 5 and the third supporting block 7 limit the metal profile 90 from the top and bottom; the first limiting block 3 and the second limiting block 4 limit the metal profile 90 from the left and right; and with the third supporting block 7 sliding outwards, the extrusion plate 82 extrudes the sponge block 85, so as to realize the lubrication of the surfaces of the first supporting block 5 and the second supporting block 6, and avoid the frictional damage of the first supporting block 5 and the second supporting block 6 to the bottom of the metal profile 90.

[0076] At least one embodiment provides a working method of a flat wire precision mold forming system, and the working method comprises the following steps:

[0077] 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 towards each other synchronously;

[0078] The first supporting block 5 and the second supporting block 6 support the metal profile 90 from below, so as to move the metal profile 90 to the bending station;

[0079] The first supporting block 5 and the second supporting block 6 continue to move towards each other and are inserted into the corresponding accommodating cavities 9, and the linkage structure 8 drives the third supporting block 7 to slide outwards to limit the metal profile 90 from above.

[0080] 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 be detachable connection, or integral connection; can be mechanical connection, can be electrical connection; can be direct connection, can be indirect connection through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0081] In the description of the 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 based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element 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 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.

[0082] Based on the above ideal embodiments according to the application, the relevant personnel can make various changes and modifications within the scope of the technical idea of the application according to the above description. The technical scope of the 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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