Angle steel corner cutting die for punch press transformation

Abstract

The utility model relates to the technical field of angle steel corner cutting, and provides an angle steel corner cutting die for punch transformation, which comprises a lower die and an upper die, the lower die comprises a first fixing strip, a second fixing strip and a lower blade, the first fixing strip and the second fixing strip are both fixedly arranged on a punch table top, and the lower blade is arranged on the upper die. The length directions of the two are not parallel to each other; the lower blade selectively abuts against the first fixing strip or the second fixing strip and is detachably and fixedly connected with the first fixing strip or the second fixing strip, and the lower blade abuts against the punch press table top. The upper die is fixedly arranged on an output shaft of a punching machine in a rotatable mode. The first fixing strip and the second fixing strip are arranged on the punch press table board, the installation angle of the lower blade can meet the actual requirement, the upper die capable of rotating is arranged on the punch press output shaft, the upper die can adapt to the installation angle of the lower blade, and therefore the adaptability of the corner cutting die is improved, and the production efficiency is improved. The machining efficiency of the angle steel is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of angle steel cutting, in particular to an angle steel cutting die for punch machine reconstruction. Background Art

[0002] Angle cutting is a common process in angle steel processing. During the angle steel processing, when there are many angle cutting processes and the number of angle cutting machines in the production workshop cannot meet the processing needs, in order to meet production needs, angle steel angle cutting molds will be installed on the punch press and the punch press will be converted into angle steel angle cutting equipment.

[0003] The utility model with patent publication number CN203356327U discloses a punch die device for angle steel cutting, including an electric motor, a crankshaft connecting rod mechanism driven by the electric motor to make the slider punch move vertically up and down in a straight line, the slider punch is installed on the extension arm, the extension arm is installed on the base, the motor is controlled by a control panel arranged on the extension arm to start or stop, a clamping workbench is arranged on the base and located below the slider punch, and the clamping workbench is fixedly connected to the base, the lower die is fixedly installed on the clamping workbench, and the knife seat is provided with an isosceles trapezoidal opening adapted to the angle steel punching blade. The structure is simple, the design is reasonable, and according to the structural characteristics of the angle steel and the process requirements of the angle cutting, the fully automatic mechanized production of the angle steel cutting is realized through the integration of the existing technical means, the production efficiency is improved, the human resource cost is reduced, and it is efficient and convenient.

[0004] In the above technical solution, in order to cut the angle steel, an upper die, a lower die and a tool holder are set on the punch press, and the upper die is driven to move by the slider punch to cooperate with the lower die to cut the angle steel. However, in the actual processing process, the lengths and shapes of angle steel workpieces in different processing batches are different, and the operating habits of each operator are also different. The installation angle of the tool holder in the above solution cannot be adjusted according to the actual situation, resulting in the inability of the cutting die to adapt to different working conditions, which is not conducive to improving the processing efficiency of the angle steel. Utility Model Content

[0005] In view of this, the utility model proposes an angle steel cutting die for punch machine modification, which can adjust the installation angle of the angle cutting die, improve the adaptability of the shearing die, and ensure the processing efficiency of the angle steel.

[0006] The technical solution of the utility model is implemented as follows: The utility model provides an angle steel cutting die for punch machine modification, comprising a lower die and an upper die, wherein:

[0007] The lower mold includes a first fixing bar, a second fixing bar and a lower blade, wherein:

[0008] The first fixing bar and the second fixing bar are both fixedly arranged on the punching machine table, and their length directions are not parallel to each other;

[0009] The lower blade selectively abuts against the first fixing strip or the second fixing strip and is detachably fixedly connected thereto, and the lower blade abuts against the punching machine table;

[0010] The upper die is fixedly arranged on the punch output shaft in a rotatable manner. When the punch output shaft moves vertically, it drives the upper die to cooperate with the lower blade to shear the angle steel workpiece.

[0011] On the basis of the above technical solution, preferably, the first fixing bar and the second fixing bar are perpendicular to each other and fixedly connected, and when the lower blade is arranged on the first fixing bar, one end thereof is in contact with the second fixing bar, and when the lower blade is arranged on the second fixing bar, one end thereof is in contact with the first fixing bar.

[0012] More preferably, two second fixing strips are provided, and the two second fixing strips are arranged opposite to each other at two ends of the first fixing strip, and are integrally formed with the first fixing strip and continuously arranged;

[0013] When the lower blade is arranged on the first fixing strip, two ends of the lower blade are respectively in contact with two of the second fixing strips.

[0014] Further preferably, the lower mold also includes a third fixing bar, and each of the second fixing bars is fixedly provided with a third fixing bar at one end away from the first fixing bar, and when the lower blade is arranged on the second fixing bar, its two ends are respectively abutted against the first fixing bar and the third fixing bar.

[0015] More preferably, the two third fixing bars are arranged at intervals, and the interval between the two third fixing bars is greater than the outer diameter of the upper mold.

[0016] On the basis of the above technical solution, preferably, a plurality of connection holes are provided in each of the first fixing bar and the second fixing bar;

[0017] The lower mold also includes a plurality of fixing screws, which are arranged through the connecting hole and are connected to the lower blade by threaded cooperation, and the fixing screws are abutted against a side of the first fixing strip away from the lower blade or a side of the second fixing strip away from the lower blade.

[0018] More preferably, the lower mold further includes a base and a plurality of positioning mechanisms, wherein:

[0019] The first fixing bar and the second fixing bar are both fixedly arranged on the base;

[0020] The punching machine table is provided with a plurality of T-slots, the positioning mechanisms are fixedly arranged on the T-slots in a movable manner, and the plurality of positioning mechanisms are abutted against the base to fix the base and the punching machine table.

[0021] More preferably, the positioning mechanism comprises a sliding plate, a stud, a connecting plate and a nut, wherein:

[0022] The sliding plate is slidably arranged in the T-slot;

[0023] The stud is fixedly arranged on the sliding plate and passes through the T-slot;

[0024] The connecting plate is disposed against the punching machine table and against the base, and an assembly hole is provided on the connecting plate, the assembly hole is in a V shape, and the assembly hole penetrates to one end of the connecting plate, and the stud is slidably disposed in the assembly hole;

[0025] The nut is connected to the stud by threaded engagement, and abuts against a side of the connecting plate away from the punching machine table.

[0026] On the basis of the above technical solution, preferably, it also includes an extension platform, which is fixedly arranged on the punching machine table, and a mounting hole is opened in the extension platform, the first fixing bar and the second fixing bar are located in the mounting hole, and the top side of the extension platform, the top side of the first fixing bar and the top side of the second fixing bar are flush with each other.

[0027] On the basis of the above technical solution, preferably, the punch output shaft includes a fixing cylinder and a fixing bolt, and the upper die includes a die frame, a fixing rod and an upper blade, wherein:

[0028] The fixing rod is fixedly arranged on the mold frame and rotatably arranged in the fixing cylinder, and the fixing rod is a cylindrical structure;

[0029] The fixing bolt is arranged on the peripheral side of the fixing cylinder and is connected with the fixing cylinder by threaded engagement, and the fixing bolt selectively abuts against the fixing rod;

[0030] The upper blade is fixedly arranged on the mold frame and is located above the lower mold.

[0031] The utility model of an angle steel cutting die for punching machine modification has the following beneficial effects compared with the prior art:

[0032] (1) By arranging the first fixing bar and the second fixing bar on the punch table, the installation angle of the lower blade can meet the actual needs. By arranging a rotatable upper die on the punch output shaft, the upper die can adapt to the installation angle of the lower blade, thereby improving the adaptability of the angle cutting die and ensuring the processing efficiency of the angle steel.

[0033] (2) By providing two second fixing sleeves and a third fixing strip, the two ends of the lower blade can be abutted and fixed, thereby improving the fixing firmness of the lower blade and preventing it from shaking during operation;

[0034] (3) By setting up an extended platform, the area of ​​the operating platform for the angle steel cutting process can be increased to support angle steels with relatively large shapes, thereby improving the practicality of the angle steel cutting mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A three-dimensional diagram of an angle steel cutting die for punch machine modification according to the utility model;

[0037] Figure 2 It is a cross-sectional view of the lower blade in an angle steel cutting die for punch machine modification of the utility model;

[0038] Figure 3 This is an exploded view of the lower die of an angle steel cutting die for punch machine modification of the utility model;

[0039] Figure 4 This is a cross-sectional view of a T-slot in an angle steel cutting die for punch machine modification according to the utility model;

[0040] Figure 5 A three-dimensional diagram of a connecting plate in an angle steel cutting die for punch machine modification according to the utility model;

[0041] Figure 6 It is a three-dimensional diagram of the lower die and the expansion platform of an angle steel cutting die for punching machine modification of the utility model;

[0042] Figure 7 The utility model is an exploded view of the upper die of an angle steel cutting die for punch machine modification.

[0043] Among them: 1. Lower die; 11. First fixing bar; 12. Second fixing bar; 13. Third fixing bar; 14. Lower blade; 15. Fixing screw; 16. Base; 17. Positioning mechanism; 171. Sliding plate; 172. Stud; 173. Connecting plate; 174. Nut; 101. Connecting hole; 102. Assembly hole; 2. Upper die; 21. Die frame; 22. Fixing rod; 23. Upper blade; 3. Extension platform; 301. Mounting hole; 4. Punch table; 401. T-slot; 5. Punch output shaft; 51. Fixing cylinder; 52. Fixing bolt. DETAILED DESCRIPTION

[0044] The following will be combined with the specific implementation of the utility model to clearly and completely describe the technical solution in the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] like Figure 1-7 As shown, the utility model is an angle steel cutting die for punch machine modification, comprising a lower die 1, an upper die 2 and an expansion platform 3.

[0046] Among them, the lower mold 1 is used to support the angle steel, and the lower mold 1 includes a first fixing bar 11, a second fixing bar 12 and a lower blade 14, wherein the first fixing bar 11 and the second fixing bar 12 are both fixedly arranged on the punch table 4; the lower blade 14 selectively abuts against the first fixing bar 11 or the second fixing bar 12, and is detachably fixedly connected thereto, and the lower blade 14 abuts against the punch table 4, and the length directions of the first fixing bar 11 and the second fixing bar 12 are not parallel to each other, that is, the two are inclined. When the lower blade 14 is installed on the first fixing bar 11 or the second fixing bar 12, its installation angle will be different, so that the lower mold 1 can adapt to different processing requirements; the first fixing bar 11 and the second fixing bar 12 are preferably rod-shaped structures with rectangular cross-sections, that is, the side of the first fixing bar 11 or the second fixing bar 12 abutting against the lower blade 14 and the side thereof abutting against the punch table 4 are perpendicular to each other.

[0047] The upper die 2 is used to cooperate with the lower die 1 to cut the angle steel. The upper die 2 is fixedly arranged on the punch output shaft 5 in a rotatable manner. When the punch output shaft 5 moves vertically, it drives the upper die 2 to cooperate with the lower blade 14 to shear the angle steel workpiece; when processing angle steels of different lengths or shapes, or when different operators cut the angle steel, the upper die 2 can be rotated to a position corresponding to the installation angle of the lower die 1 after adjusting the installation angle of the lower blade 14, so that the cutting position of the angle steel cutting mold can adapt to the shape and size of the angle steel or the operating habits of the operator, thereby improving the adaptability of the angle steel cutting mold and helping to improve the processing efficiency of the angle steel.

[0048] The first fixing bar 11 and the second fixing bar 12 are perpendicular to each other and fixedly connected. The combination of the two forms an L shape. The punch table 4 is rectangular when viewed from above. It is preferred that the length directions of the first fixing bar 11 and the second fixing bar 12 are perpendicular to each other. When the lower blade 14 is arranged on the first fixing bar 11, it is parallel to the length direction of the punch table 4. When the lower blade 14 is arranged on the second fixing bar 12, it is parallel to the width direction of the punch table 4. When the lower blade 14 is arranged on the first fixing bar 11, one end of the lower blade 14 is parallel to the second fixing bar 12. When the lower blade 14 is arranged on the second fixing bar 12, one end thereof is in contact with the first fixing bar 11 to enhance the degree of fixation of the lower blade 14; similarly, two second fixing bars 12 may be provided, the two second fixing bars 12 are relatively arranged at the two ends of the first fixing bar 11, and are integrally formed with the first fixing bar 11 and the two second fixing bars 12 are continuously arranged to form a U-shape, and when the lower blade 14 is arranged on the first fixing bar 11, its two ends are respectively in contact with the two second fixing bars 12.

[0049] The lower mold 1 also includes a third fixing bar 13, fixing screws 15, a base 16 and multiple positioning mechanisms 17, wherein each second fixing bar 12 is fixedly provided with a third fixing bar 13 at one end away from the first fixing bar 11, and when the lower blade 14 is arranged on the second fixing bar 12, its two ends are respectively abutted against the first fixing bar 11 and the third fixing bar 13. Similarly to the above, the third fixing bar 13 is also used to improve the fixing firmness of the lower blade 14 to prevent it from shaking or deflecting during processing.

[0050] Preferably, the two third fixing bars 13 are spaced apart, and the distance between the two third fixing bars 13 is greater than the outer diameter of the upper mold 2 , which can not only avoid the third fixing bars 13 from colliding with the upper mold 2 , but also facilitate the removal of the cut waste from the space between the two third fixing bars 13 .

[0051] A plurality of connection holes 101 are provided in the first fixing bar 11 and the second fixing bar 12, and the axial direction of the connection hole 101 is parallel to the horizontal plane; a fixing screw 15 is provided through the connection hole 101 and is connected to the lower blade 14 by threaded engagement, and the fixing screw 15 is abutted against a side of the first fixing bar 11 away from the lower blade 14 or a side of the second fixing bar 12 away from the lower blade 14, such as Figure 2 As shown, by utilizing this linking cooperation, the lower blade 14 is detachably fixed on the first fixing strip 11 or the second fixing strip 12 .

[0052] The base 16 is used to realize the rapid disassembly and assembly of the first fixing bar 11, the second fixing bar 12, the third fixing bar 13 and the lower blade 14. The first fixing bar 11 and the second fixing bar 12 are fixedly arranged on the base 16, so that the base 16 supports the first fixing bar 11, the second fixing bar 12, the third fixing bar 13 and the lower blade 14; a discharge port can be opened at a position on the base 16 corresponding to the upper mold 2 to discharge the cut waste.

[0053] The positioning mechanism 17 is used to fix the base 16 to the punch table 4. A plurality of T-slots 401 are provided on the punch table 4. The cross section of the T-slots 401 is inverted T-shaped. The positioning mechanism 17 is fixedly arranged on the T-slots 401 in a movably manner. The plurality of positioning mechanisms 17 are against the base 16.

[0054] like Figure 3 As shown, the positioning mechanism 17 includes a sliding plate 171, a stud 172, a connecting plate 173 and a nut 174, wherein the sliding plate 171 is slidably set in the T-slot 401; the stud 172 is fixedly set on the sliding plate 171 and passes through the T-slot 401; the connecting plate 173 is set against the punch table 4 and against the base 16, and an assembly hole 102 is opened on the connecting plate 173, and the stud 172 is slidably set in the assembly hole 102; the nut 174 is connected to the stud 172 by threaded fitting, and is against the side of the connecting plate 173 away from the punch table 4. When the nut 174 is tightened, the top side of the sliding plate 171 can be abutted and fixed to the T-slot 401, so as to fix the connecting plate 173 and the punch table 4, and the connecting plate 173 is abutted and fixed to the base 16.

[0055] The assembly hole 102 is preferably in a V-shape or a Y-shape, and the assembly hole 102 extends through one end of the connecting plate 173. Figure 3 As shown, when the positioning mechanism 17 is located at the top corner of the base 16, the top corner of the base 16 can be moved into the V-shaped assembly hole 102; and when the positioning mechanism 17 is located at the side of the base 16, the side of the connecting plate 173 can be used to support the side of the base 16 to enhance the degree of fixation of the positioning mechanism 17 to the base 16.

[0056] The expansion platform 3 is used to increase the operating platform area of ​​the angle steel cutting die. The expansion platform 3 is fixedly arranged on the punch table 4. A mounting hole 301 is opened in the expansion platform 3. The first fixing bar 11 and the second fixing bar 12 are located in the mounting hole 301. The top side of the expansion platform 3, the top side of the first fixing bar 11 and the top side of the second fixing bar 12 are flush. Figure 6 As shown, the setting of the extension platform 3 can support large-sized angle steels or special-shaped ones, which is beneficial to improving the convenience of the angle steel processing process.

[0057] like Figure 7 As shown, the punch output shaft 5 includes a fixed cylinder 51 and a fixed bolt 52, and the upper mold 2 includes a mold frame 21, a fixed rod 22 and an upper blade 23, wherein the fixed rod 22 is fixedly arranged on the mold frame 21 and rotatably arranged in the fixed cylinder 51, and the fixed rod 22 is a cylindrical structure; the fixed bolt 52 is arranged on the peripheral side of the fixed cylinder 51 through and connected with it by threaded cooperation, and the fixed bolt 52 selectively abuts the fixed rod 22; the upper blade 23 is fixedly arranged on the mold frame 21; when the fixed bolt 52 is loosened, it can The die frame 21 is rotated so that the angle of the upper blade 23 corresponds to the angle of the lower blade 14, and when the fixing bolt 52 is tightened, the die frame 21 can be fixed; the upper blade 23 is located above the lower die 1, specifically, the projection of the incision position of the upper blade 23 and the incision position of the lower blade 14 on the surface perpendicular to the moving direction of the punch output shaft 5 is abutted, so that when the upper blade 23 moves with the punch output shaft 5, the incision of the upper blade 23 can be matched with the incision of the lower blade 14 to cut the angle steel.

[0058] The method of using the angle steel cutting die for punching machine modification of the utility model is as follows:

[0059] First, according to actual processing requirements, the lower blade 14 is fixedly installed on the first fixing bar 11 or the second fixing bar 12, and then the fixing bolt 52 is loosened, and the mold frame 21 is rotated to make the angle of the upper blade 23 correspond to the angle of the lower blade 14. After the angle of the upper blade 23 is adjusted, the fixing bolt 52 is tightened to allow the fixing bolt 52 to support and fix the fixing rod 22. Finally, the angle steel is placed on the expansion platform 3 so that its cutting position is aligned with the lower blade 14, and the upper blade 23 is driven by the drive control of the punch output shaft 5 to cut the angle steel.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An angle steel cutting die for punch machine modification, characterized in that: It comprises a lower die (1) and an upper die (2), wherein: The lower mold (1) comprises a first fixing bar (11), a second fixing bar (12) and a lower blade (14), wherein: The first fixing strip (11) and the second fixing strip (12) are both fixedly arranged on the punching machine table (4), and their length directions are not parallel to each other; The lower blade (14) selectively abuts against the first fixing strip (11) or the second fixing strip (12) and is detachably fixedly connected thereto, and the lower blade (14) abuts against the punching machine table (4); The upper die (2) is fixedly arranged on the punch output shaft (5) in a rotatable manner. When the punch output shaft (5) moves vertically, it drives the upper die (2) to cooperate with the lower blade (14) to shear the angle steel workpiece.

2. The angle steel cutting die for punch machine modification according to claim 1, characterized in that: The first fixing bar (11) and the second fixing bar (12) are perpendicular to each other and fixedly connected; when the lower blade (14) is arranged on the first fixing bar (11), one end thereof abuts against the second fixing bar (12); and when the lower blade (14) is arranged on the second fixing bar (12), one end thereof abuts against the first fixing bar (11).

3. The angle steel cutting die for punch machine modification as claimed in claim 2, characterized in that: Two second fixing strips (12) are provided, and the two second fixing strips (12) are arranged oppositely at two ends of the first fixing strip (11), and are integrally formed with the first fixing strip (11) and are arranged continuously therewith; When the lower blade (14) is arranged on the first fixing strip (11), two ends thereof are respectively in contact with the two second fixing strips (12).

4. The angle steel cutting die for punch machine modification as claimed in claim 3, characterized in that: The lower mold (1) further comprises a third fixing bar (13), and one end of each of the second fixing bars (12) away from the first fixing bar (11) is fixedly provided with one of the third fixing bars (13); when the lower blade (14) is arranged on the second fixing bar (12), its two ends are respectively in contact with the first fixing bar (11) and the third fixing bar (13).

5. The angle steel cutting die for punch machine modification as claimed in claim 4, characterized in that: The two third fixing strips (13) are arranged at intervals, and the distance between the two third fixing strips (13) is greater than the outer diameter of the upper mold (2).

6. The angle steel cutting die for punch machine modification according to claim 1, characterized in that: A plurality of connection holes (101) are provided in each of the first fixing strip (11) and the second fixing strip (12); The lower mold (1) further comprises a plurality of fixing screws (15), wherein the fixing screws (15) are arranged through the connecting hole (101) and are connected to the lower blade (14) by threaded engagement, and the fixing screws (15) are abutted against a side of the first fixing strip (11) away from the lower blade (14) or a side of the second fixing strip (12) away from the lower blade (14).

7. The angle steel cutting die for punch machine modification according to claim 6, characterized in that: The lower mold (1) further comprises a base (16) and a plurality of positioning mechanisms (17), wherein: The first fixing strip (11) and the second fixing strip (12) are both fixedly arranged on the base (16); A plurality of T-slots (401) are provided on the punching machine table (4); the positioning mechanisms (17) are fixedly arranged on the T-slots (401) in a movable manner; the plurality of positioning mechanisms (17) are abutted against the base (16) to fix the base (16) to the punching machine table (4).

8. The angle steel cutting die for punch machine modification according to claim 7, characterized in that: The positioning mechanism (17) comprises a sliding plate (171), a stud (172), a connecting plate (173) and a nut (174), wherein: The sliding plate (171) is slidably disposed in the T-shaped groove (401); The stud (172) is fixedly arranged on the sliding plate (171) and passes through the T-slot (401); The connecting plate (173) is arranged to abut against the punching machine table (4) and abut against the base (16); an assembly hole (102) is provided on the connecting plate (173); the assembly hole (102) is V-shaped and penetrates to one end of the connecting plate (173); the stud (172) is slidably arranged in the assembly hole (102); The nut (174) is connected to the stud (172) by threaded engagement, and abuts against a side of the connecting plate (173) away from the punching machine table (4).

9. The angle steel cutting die for punch machine modification according to claim 1, characterized in that: The invention also comprises an expansion platform (3), wherein the expansion platform (3) is fixedly arranged on the punching machine table (4), a mounting hole (301) is provided in the expansion platform (3), the first fixing bar (11) and the second fixing bar (12) are located in the mounting hole (301), and the top side of the expansion platform (3), the top side of the first fixing bar (11) and the top side of the second fixing bar (12) are flush with each other.

10. The angle steel cutting die for punch machine modification according to claim 1, characterized in that: The punch output shaft (5) comprises a fixing cylinder (51) and a fixing bolt (52), and the upper die (2) comprises a die frame (21), a fixing rod (22) and an upper blade (23), wherein: The fixing rod (22) is fixedly arranged on the mold frame (21) and rotatably arranged in the fixing cylinder (51); the fixing rod (22) is a cylindrical structure; The fixing bolt (52) is arranged on the peripheral side of the fixing tube (51) and is connected thereto by threaded engagement, and the fixing bolt (52) selectively abuts against the fixing rod (22); The upper blade (23) is fixedly arranged on the mold frame (21) and is located above the lower mold (1).

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